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berlac |
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/* |
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* sdlgui.cpp |
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* |
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* This file is taken from the ARAnyM project which builds a new and powerful |
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* TOS/FreeMiNT compatible virtual machine running on almost any hardware. |
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* |
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* Copyright (c) 2001 Thomas Huth - taken from his hatari project |
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* Copyright (c) 2002-2005 Petr Stehlik of ARAnyM dev team (see AUTHORS) |
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* |
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* It is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with Frodo; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#include "sysdeps.h" |
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#include "sdlgui.h" |
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#include <cstdlib> |
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#include "font8.h" |
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static SDL_Surface *mainsurface = NULL; |
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#define sdlscrn mainsurface |
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static SDL_Surface *fontgfx=NULL; |
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static int fontwidth, fontheight; /* Height and width of the actual font */ |
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// Stores current dialog coordinates |
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static SDL_Rect DialogRect = {0, 0, 0, 0}; |
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// Used by SDLGui_Get[First|Next]BackgroundRect() |
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static SDL_Rect BackgroundRect = {0, 0, 0, 0}; |
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static int BackgroundRectCounter; |
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enum |
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{ |
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SG_BCKGND_RECT_BEGIN, |
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SG_BCKGND_RECT_TOP, |
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SG_BCKGND_RECT_LEFT, |
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SG_BCKGND_RECT_RIGHT, |
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SG_BCKGND_RECT_BOTTOM, |
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SG_BCKGND_RECT_END |
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}; |
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SDL_Color blackc[] = {{0, 0, 0, 0}}; |
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SDL_Color darkgreyc[] = {{128, 128, 128, 0}}; |
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SDL_Color greyc[] = {{192, 192, 192, 0}}; |
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SDL_Color whitec[] = {{255, 255, 255, 0}}; |
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enum |
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{ |
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SG_FIRST_EDITFIELD, |
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SG_PREVIOUS_EDITFIELD, |
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SG_NEXT_EDITFIELD, |
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SG_LAST_EDITFIELD |
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}; |
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/*-----------------------------------------------------------------------*/ |
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/* |
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Load an 1 plane XBM into a 8 planes SDL_Surface. |
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*/ |
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static SDL_Surface *SDLGui_LoadXBM(int w, int h, Uint8 *srcbits) |
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{ |
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SDL_Surface *bitmap; |
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Uint8 *dstbits; |
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int x, y, srcpitch; |
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/* Allocate the bitmap */ |
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bitmap = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, 8, 0, 0, 0, 0); |
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if ( bitmap == NULL ) |
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{ |
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// TODO panicbug("Couldn't allocate bitmap: %s", SDL_GetError()); |
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return(NULL); |
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} |
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srcpitch = ((w + 7) / 8); |
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dstbits = (Uint8 *)bitmap->pixels; |
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int mask = 1; |
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/* Copy the pixels */ |
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for (y = 0 ; y < h ; y++) |
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{ |
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for (x = 0 ; x < w ; x++) |
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{ |
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dstbits[x] = (srcbits[x / 8] & mask) ? 1 : 0; |
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mask <<= 1; |
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mask |= (mask >> 8); |
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mask &= 0xFF; |
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} |
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dstbits += bitmap->pitch; |
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srcbits += srcpitch; |
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} |
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return(bitmap); |
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} |
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/*-----------------------------------------------------------------------*/ |
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/* |
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Initialize the GUI. |
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*/ |
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bool SDLGui_Init(SDL_Surface *GUISurface) |
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{ |
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mainsurface = GUISurface; |
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/* Load the font graphics: */ |
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fontgfx = SDLGui_LoadXBM(font8_width, font8_height, font8_bits); |
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if (fontgfx == NULL) |
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{ |
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// TODO panicbug("Could not create font data"); |
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// TODO panicbug("ARAnyM GUI will not be available"); |
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return false; |
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} |
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/* Set font color 0 as transparent */ |
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SDL_SetColorKey(fontgfx, SDL_SRCCOLORKEY, 0); |
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/* Get the font width and height: */ |
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fontwidth = fontgfx->w/16; |
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fontheight = fontgfx->h/16; |
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return true; |
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} |
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/*-----------------------------------------------------------------------*/ |
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/* |
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Uninitialize the GUI. |
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*/ |
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int SDLGui_UnInit() |
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{ |
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if (fontgfx) |
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{ |
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SDL_FreeSurface(fontgfx); |
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fontgfx = NULL; |
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} |
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return 0; |
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} |
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/*-----------------------------------------------------------------------*/ |
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/* |
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Compute real coordinates for a given object. |
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Note: centers dialog on screen. |
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*/ |
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static void SDLGui_ObjCoord(SGOBJ *dlg, int objnum, SDL_Rect *rect) |
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{ |
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rect->x = dlg[objnum].x * fontwidth; |
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rect->y = dlg[objnum].y * fontheight; |
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rect->w = dlg[objnum].w * fontwidth; |
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rect->h = dlg[objnum].h * fontheight; |
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rect->x += (sdlscrn->w - (dlg[0].w * fontwidth)) / 2; |
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rect->y += (sdlscrn->h - (dlg[0].h * fontheight)) / 2; |
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} |
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/*-----------------------------------------------------------------------*/ |
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/* |
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Compute real coordinates for a given object. |
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This one takes borders into account and give coordinates as seen by user |
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*/ |
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void SDLGui_ObjFullCoord(SGOBJ *dlg, int objnum, SDL_Rect *coord) |
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{ |
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SDLGui_ObjCoord(dlg, objnum, coord); |
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switch (dlg[objnum].type) |
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{ |
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case SGBOX: |
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case SGBUTTON: |
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{ |
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// Take border into account |
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int border_size; |
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if (dlg[objnum].flags & SG_SELECTABLE) |
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{ |
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if (dlg[objnum].flags & SG_DEFAULT) |
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border_size = 4; |
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else |
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border_size = 3; |
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} |
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else |
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{ |
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if (dlg[objnum].flags & SG_BACKGROUND) |
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border_size = 6; |
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else |
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border_size = 5; |
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} |
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coord->x -= border_size; |
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coord->y -= border_size; |
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coord->w += (border_size * 2); |
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coord->h += (border_size * 2); |
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} |
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break; |
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case SGEDITFIELD: |
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// Allow one more pixel to the right for cursor |
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coord->w += 1; |
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// There is a line below |
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coord->h += 1; |
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break; |
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} |
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} |
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/*-----------------------------------------------------------------------*/ |
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/* |
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Refresh display at given coordinates. |
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Unlike SDL_UpdateRect() this function can eat coords that goes beyond screen |
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boundaries. |
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"rect" will be modified to represent the area actually refreshed. |
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*/ |
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void SDLGui_UpdateRect(SDL_Rect *rect) |
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{ |
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if (rect->x < 0) |
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{ |
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rect->w += rect->x; |
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rect->x = 0; |
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} |
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if ((rect->x + rect->w) > sdlscrn->w) |
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rect->w = (sdlscrn->w - rect->x); |
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if (rect->y < 0) |
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{ |
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rect->h += rect->y; |
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rect->y = 0; |
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} |
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if ((rect->y + rect->h) > sdlscrn->h) |
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rect->h = (sdlscrn->h - rect->y); |
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if ((rect->w > 0) && (rect->h > 0)) |
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SDL_UpdateRects(sdlscrn, 1, rect); |
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else |
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{ |
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rect->x = 0; |
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rect->y = 0; |
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rect->w = 0; |
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rect->h = 0; |
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} |
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} |
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/*-----------------------------------------------------------------------*/ |
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/* |
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Maps an SDL_Color to the screen format. |
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*/ |
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Uint32 SDLGui_MapColor(SDL_Color *color) |
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{ |
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return SDL_MapRGB(sdlscrn->format, color->r, color->g, color->b); |
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} |
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/*-----------------------------------------------------------------------*/ |
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/* |
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Refresh display to reflect an object change. |
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*/ |
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void SDLGui_RefreshObj(SGOBJ *dlg, int objnum) |
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{ |
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SDL_Rect coord; |
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SDLGui_ObjFullCoord(dlg, objnum, &coord); |
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berlac |
1.3 |
screenlock(); |
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berlac |
1.1 |
SDLGui_UpdateRect(&coord); |
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berlac |
1.3 |
screenunlock(); |
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berlac |
1.1 |
} |
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/*-----------------------------------------------------------------------*/ |
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/* |
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Draw a text string. |
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*/ |
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void SDLGui_Text(int x, int y, const char *txt, SDL_Color *col) |
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{ |
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int i; |
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char c; |
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SDL_Rect sr, dr; |
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SDL_SetColors(fontgfx, col, 1, 1); |
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berlac |
1.3 |
screenlock(); |
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berlac |
1.1 |
for (i = 0 ; txt[i] != 0 ; i++) |
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{ |
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c = txt[i]; |
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sr.x = fontwidth * (c % 16); |
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sr.y = fontheight * (c / 16); |
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sr.w = fontwidth; |
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sr.h = fontheight; |
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dr.x = x + (fontwidth * i); |
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dr.y = y; |
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dr.w = fontwidth; |
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dr.h = fontheight; |
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SDL_BlitSurface(fontgfx, &sr, sdlscrn, &dr); |
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} |
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berlac |
1.3 |
screenunlock(); |
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berlac |
1.1 |
} |
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/*-----------------------------------------------------------------------*/ |
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/* |
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Draw a dialog text object. |
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*/ |
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void SDLGui_DrawText(SGOBJ *tdlg, int objnum) |
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{ |
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SDL_Rect coord; |
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SDL_Color *textc, *backgroundc; |
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if (tdlg[objnum].state & SG_SELECTED) |
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{ |
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textc = whitec; |
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backgroundc = darkgreyc; |
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} |
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else if (tdlg[objnum].state & SG_DISABLED) |
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{ |
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textc = darkgreyc; |
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backgroundc = greyc; |
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} |
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else |
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{ |
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textc = blackc; |
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backgroundc = greyc; |
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} |
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SDLGui_ObjCoord(tdlg, objnum, &coord); |
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SDL_FillRect(sdlscrn, &coord, SDLGui_MapColor(backgroundc)); |
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SDLGui_Text(coord.x, coord.y, tdlg[objnum].txt, textc); |
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} |
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/*-----------------------------------------------------------------------*/ |
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/* |
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Draw an edit field object. |
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*/ |
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void SDLGui_DrawEditField(SGOBJ *edlg, int objnum) |
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{ |
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SDL_Rect coord; |
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SDL_Color *textc; |
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if (edlg[objnum].state & SG_DISABLED) |
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textc = darkgreyc; |
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else |
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textc = blackc; |
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SDLGui_ObjCoord(edlg, objnum, &coord); |
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coord.w += 1; |
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SDL_FillRect(sdlscrn, &coord, SDLGui_MapColor(greyc)); |
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SDLGui_Text(coord.x, coord.y, edlg[objnum].txt, textc); |
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// Draw a line below. |
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coord.y = coord.y + coord.h; |
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coord.h = 1; |
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SDL_FillRect(sdlscrn, &coord, SDLGui_MapColor(darkgreyc)); |
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} |
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/*-----------------------------------------------------------------------*/ |
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/* |
363 |
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Draw or erase cursor. |
364 |
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*/ |
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void SDLGui_DrawCursor(SGOBJ *dlg, cursor_state *cursor) |
366 |
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{ |
367 |
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if (cursor->object != -1) |
368 |
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{ |
369 |
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SDL_Rect coord; |
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SDL_Color *cursorc; |
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372 |
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SDLGui_DrawEditField(dlg, cursor->object); |
373 |
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374 |
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if (cursor->blink_state) |
375 |
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cursorc = blackc; |
376 |
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else |
377 |
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cursorc = greyc; |
378 |
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379 |
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SDLGui_ObjCoord(dlg, cursor->object, &coord); |
380 |
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coord.x += (cursor->position * fontwidth); |
381 |
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coord.w = 1; |
382 |
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SDL_FillRect(sdlscrn, &coord, SDLGui_MapColor(cursorc)); |
383 |
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SDLGui_RefreshObj(dlg, cursor->object); |
385 |
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} |
386 |
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} |
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388 |
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/*-----------------------------------------------------------------------*/ |
390 |
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/* |
391 |
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Draw a 3D effect around a given rectangle. |
392 |
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Rectangle is updated to the full size of the new object. |
393 |
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*/ |
394 |
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void SDLGui_Draw3DAround(SDL_Rect *coord, SDL_Color *upleftc, SDL_Color *downrightc, SDL_Color *cornerc, int width) |
395 |
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{ |
396 |
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SDL_Rect rect; |
397 |
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int i; |
398 |
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Uint32 upleftcol = SDLGui_MapColor(upleftc); |
399 |
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Uint32 downrightcol = SDLGui_MapColor(downrightc); |
400 |
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Uint32 cornercol = SDLGui_MapColor(cornerc); |
401 |
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|
402 |
berlac |
1.3 |
screenlock(); |
403 |
berlac |
1.1 |
|
404 |
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for ( i = 1 ; i <= width ; i++) |
405 |
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{ |
406 |
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rect.x = coord->x - i; |
407 |
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rect.y = coord->y - i; |
408 |
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rect.w = coord->w + (i * 2) - 1; |
409 |
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rect.h = 1; |
410 |
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SDL_FillRect(sdlscrn, &rect, upleftcol); |
411 |
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412 |
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rect.x = coord->x - i; |
413 |
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rect.y = coord->y - i; |
414 |
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rect.w = 1; |
415 |
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rect.h = coord->h + (i * 2) - 1; |
416 |
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SDL_FillRect(sdlscrn, &rect, upleftcol); |
417 |
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418 |
|
|
rect.x = coord->x - i + 1; |
419 |
|
|
rect.y = coord->y + coord->h - 1 + i; |
420 |
|
|
rect.w = coord->w + (i * 2) - 1; |
421 |
|
|
rect.h = 1; |
422 |
|
|
SDL_FillRect(sdlscrn, &rect, downrightcol); |
423 |
|
|
|
424 |
|
|
rect.x = coord->x + coord->w - 1 + i; |
425 |
|
|
rect.y = coord->y - i + 1; |
426 |
|
|
rect.w = 1; |
427 |
|
|
rect.h = coord->h + (i * 2) - 1; |
428 |
|
|
SDL_FillRect(sdlscrn, &rect, downrightcol); |
429 |
|
|
|
430 |
|
|
rect.x = coord->x + coord->w + i - 1; |
431 |
|
|
rect.y = coord->y - i; |
432 |
|
|
rect.w = 1; |
433 |
|
|
rect.h = 1; |
434 |
|
|
SDL_FillRect(sdlscrn, &rect, cornercol); |
435 |
|
|
|
436 |
|
|
rect.x = coord->x - i; |
437 |
|
|
rect.y = coord->y + coord->h + i - 1; |
438 |
|
|
rect.w = 1; |
439 |
|
|
rect.h = 1; |
440 |
|
|
SDL_FillRect(sdlscrn, &rect, cornercol); |
441 |
|
|
} |
442 |
|
|
|
443 |
berlac |
1.3 |
screenunlock(); |
444 |
berlac |
1.1 |
|
445 |
|
|
coord->x -= width; |
446 |
|
|
coord->y -= width; |
447 |
|
|
coord->w += (width * 2); |
448 |
|
|
coord->h += (width * 2); |
449 |
|
|
} |
450 |
|
|
|
451 |
|
|
|
452 |
|
|
/*-----------------------------------------------------------------------*/ |
453 |
|
|
/* |
454 |
|
|
Draw a colored box around a given rectangle. |
455 |
|
|
Rectangle is updated to the full size of the new object. |
456 |
|
|
*/ |
457 |
|
|
void SDLGui_DrawBoxAround(SDL_Rect *coord, SDL_Color *color, int width) |
458 |
|
|
{ |
459 |
|
|
SDL_Rect rect; |
460 |
|
|
Uint32 col = SDLGui_MapColor(color); |
461 |
|
|
|
462 |
berlac |
1.3 |
screenlock(); |
463 |
berlac |
1.1 |
|
464 |
|
|
rect.x = coord->x - width; |
465 |
|
|
rect.y = coord->y - width; |
466 |
|
|
rect.w = coord->w + (width * 2); |
467 |
|
|
rect.h = width; |
468 |
|
|
SDL_FillRect(sdlscrn, &rect, col); |
469 |
|
|
|
470 |
|
|
rect.x = coord->x - width; |
471 |
|
|
rect.y = coord->y - width; |
472 |
|
|
rect.w = width; |
473 |
|
|
rect.h = coord->h + (width * 2); |
474 |
|
|
SDL_FillRect(sdlscrn, &rect, col); |
475 |
|
|
|
476 |
|
|
rect.x = coord->x + coord->w; |
477 |
|
|
rect.y = coord->y - width; |
478 |
|
|
rect.w = width; |
479 |
|
|
rect.h = coord->h + (width * 2); |
480 |
|
|
SDL_FillRect(sdlscrn, &rect, col); |
481 |
|
|
|
482 |
|
|
rect.x = coord->x - width; |
483 |
|
|
rect.y = coord->y + coord->h; |
484 |
|
|
rect.w = coord->w + (width * 2); |
485 |
|
|
rect.h = width; |
486 |
|
|
SDL_FillRect(sdlscrn, &rect, col); |
487 |
|
|
|
488 |
berlac |
1.3 |
screenunlock(); |
489 |
berlac |
1.1 |
|
490 |
|
|
coord->x -= width; |
491 |
|
|
coord->y -= width; |
492 |
|
|
coord->w += (width * 2); |
493 |
|
|
coord->h += (width * 2); |
494 |
|
|
} |
495 |
|
|
|
496 |
|
|
|
497 |
|
|
/*-----------------------------------------------------------------------*/ |
498 |
|
|
/* |
499 |
|
|
Draw a 3D box with given attributes. |
500 |
|
|
*/ |
501 |
|
|
void SDLGui_Draw3DBox(SDL_Rect *coord, |
502 |
|
|
SDL_Color *backgroundc, |
503 |
|
|
SDL_Color *inboxc, |
504 |
|
|
SDL_Color *upleftc, |
505 |
|
|
SDL_Color *downrightc, |
506 |
|
|
SDL_Color *outboxc, |
507 |
|
|
int widthbackground, |
508 |
|
|
int widthinbox, |
509 |
|
|
int width3D1, |
510 |
|
|
int width3D2, |
511 |
|
|
int widthoutbox) |
512 |
|
|
{ |
513 |
|
|
SDL_Rect rect; |
514 |
|
|
|
515 |
berlac |
1.3 |
screenlock(); |
516 |
berlac |
1.1 |
|
517 |
|
|
// Draw background |
518 |
|
|
rect.x = coord->x - widthbackground; |
519 |
|
|
rect.y = coord->y - widthbackground; |
520 |
|
|
rect.w = coord->w + (widthbackground * 2); |
521 |
|
|
rect.h = coord->h + (widthbackground * 2); |
522 |
|
|
SDL_FillRect(sdlscrn, &rect, SDLGui_MapColor(backgroundc)); |
523 |
|
|
|
524 |
berlac |
1.3 |
screenunlock(); |
525 |
berlac |
1.1 |
|
526 |
|
|
// Update coords |
527 |
|
|
coord->x -= widthbackground; |
528 |
|
|
coord->y -= widthbackground; |
529 |
|
|
coord->w += (widthbackground * 2); |
530 |
|
|
coord->h += (widthbackground * 2); |
531 |
|
|
|
532 |
|
|
if (widthinbox > 0) |
533 |
|
|
SDLGui_DrawBoxAround(coord, inboxc, widthinbox); |
534 |
|
|
|
535 |
|
|
if (width3D1 > 0) |
536 |
|
|
SDLGui_Draw3DAround(coord, upleftc, downrightc, backgroundc, width3D1); |
537 |
|
|
|
538 |
|
|
if (width3D2 > 0) |
539 |
|
|
SDLGui_Draw3DAround(coord, downrightc, upleftc, backgroundc, width3D2); |
540 |
|
|
|
541 |
|
|
if (widthoutbox > 0) |
542 |
|
|
SDLGui_DrawBoxAround(coord, outboxc, widthoutbox); |
543 |
|
|
} |
544 |
|
|
|
545 |
|
|
|
546 |
|
|
/*-----------------------------------------------------------------------*/ |
547 |
|
|
/* |
548 |
|
|
Draw a dialog box object. |
549 |
|
|
*/ |
550 |
|
|
void SDLGui_DrawBox(SGOBJ *bdlg, int objnum) |
551 |
|
|
{ |
552 |
|
|
SDL_Rect coord; |
553 |
|
|
SDL_Color *my_blackc; |
554 |
|
|
SDL_Color *upleftc, *downrightc; |
555 |
|
|
|
556 |
|
|
SDLGui_ObjCoord(bdlg, objnum, &coord); |
557 |
|
|
|
558 |
|
|
// Modify box drawing according to object state |
559 |
|
|
if (bdlg[objnum].state & SG_DISABLED) |
560 |
|
|
my_blackc = darkgreyc; |
561 |
|
|
else |
562 |
|
|
my_blackc = blackc; |
563 |
|
|
|
564 |
|
|
if (bdlg[objnum].state & SG_SELECTED) |
565 |
|
|
{ |
566 |
|
|
upleftc = darkgreyc; |
567 |
|
|
downrightc = whitec; |
568 |
|
|
} |
569 |
|
|
else |
570 |
|
|
{ |
571 |
|
|
upleftc = whitec; |
572 |
|
|
downrightc = darkgreyc; |
573 |
|
|
} |
574 |
|
|
|
575 |
|
|
// Draw box according to object flags |
576 |
|
|
switch (bdlg[objnum].flags & (SG_SELECTABLE | SG_DEFAULT | SG_BACKGROUND)) |
577 |
|
|
{ |
578 |
|
|
case (SG_SELECTABLE | SG_DEFAULT | SG_BACKGROUND): |
579 |
|
|
case (SG_SELECTABLE | SG_DEFAULT): |
580 |
|
|
SDLGui_Draw3DBox(&coord, |
581 |
|
|
greyc, NULL, upleftc, downrightc, my_blackc, |
582 |
|
|
1, 0, 1, 0, 2); |
583 |
|
|
break; |
584 |
|
|
case (SG_SELECTABLE | SG_BACKGROUND): |
585 |
|
|
case SG_SELECTABLE: |
586 |
|
|
SDLGui_Draw3DBox(&coord, |
587 |
|
|
greyc, NULL, upleftc, downrightc, my_blackc, |
588 |
|
|
1, 0, 1, 0, 1); |
589 |
|
|
break; |
590 |
|
|
case (SG_DEFAULT | SG_BACKGROUND): |
591 |
|
|
case SG_BACKGROUND: |
592 |
|
|
SDLGui_Draw3DBox(&coord, |
593 |
|
|
greyc, my_blackc, upleftc, downrightc, darkgreyc, |
594 |
|
|
0, 2, 3, 0, 1); |
595 |
|
|
break; |
596 |
|
|
case SG_DEFAULT: |
597 |
|
|
case 0: |
598 |
|
|
SDLGui_Draw3DBox(&coord, |
599 |
|
|
greyc, NULL, upleftc, downrightc, NULL, |
600 |
|
|
3, 0, 1, 1, 0); |
601 |
|
|
break; |
602 |
|
|
} |
603 |
|
|
} |
604 |
|
|
|
605 |
|
|
|
606 |
|
|
/*-----------------------------------------------------------------------*/ |
607 |
|
|
/* |
608 |
|
|
Draw a normal button. |
609 |
|
|
*/ |
610 |
|
|
void SDLGui_DrawButton(SGOBJ *bdlg, int objnum) |
611 |
|
|
{ |
612 |
|
|
SDL_Rect coord; |
613 |
|
|
int x, y; |
614 |
|
|
SDL_Color *textc; |
615 |
|
|
|
616 |
|
|
SDLGui_ObjCoord(bdlg, objnum, &coord); |
617 |
|
|
|
618 |
|
|
x = coord.x + ((coord.w - (strlen(bdlg[objnum].txt) * fontwidth)) / 2); |
619 |
|
|
y = coord.y + ((coord.h - fontheight) / 2); |
620 |
|
|
|
621 |
|
|
if (bdlg[objnum].state & SG_SELECTED) |
622 |
|
|
{ |
623 |
|
|
x += 1; |
624 |
|
|
y += 1; |
625 |
|
|
} |
626 |
|
|
|
627 |
|
|
if (bdlg[objnum].state & SG_DISABLED) |
628 |
|
|
textc = darkgreyc; |
629 |
|
|
else |
630 |
|
|
textc = blackc; |
631 |
|
|
|
632 |
|
|
SDLGui_DrawBox(bdlg, objnum); |
633 |
|
|
SDLGui_Text(x, y, bdlg[objnum].txt, textc); |
634 |
|
|
} |
635 |
|
|
|
636 |
|
|
|
637 |
|
|
/*-----------------------------------------------------------------------*/ |
638 |
|
|
/* |
639 |
|
|
Draw a dialog check box object state. |
640 |
|
|
*/ |
641 |
|
|
void SDLGui_DrawCheckBoxState(SGOBJ *cdlg, int objnum) |
642 |
|
|
{ |
643 |
|
|
Uint32 grey = SDLGui_MapColor(greyc); |
644 |
|
|
SDL_Rect coord; |
645 |
|
|
char str[2]; |
646 |
|
|
SDL_Color *textc; |
647 |
|
|
|
648 |
|
|
SDLGui_ObjCoord(cdlg, objnum, &coord); |
649 |
|
|
|
650 |
|
|
if (cdlg[objnum].flags & SG_RADIO) |
651 |
|
|
{ |
652 |
|
|
if (cdlg[objnum].state & SG_SELECTED) |
653 |
|
|
str[0]=SGCHECKBOX_RADIO_SELECTED; |
654 |
|
|
else |
655 |
|
|
str[0]=SGCHECKBOX_RADIO_NORMAL; |
656 |
|
|
} |
657 |
|
|
else |
658 |
|
|
{ |
659 |
|
|
if (cdlg[objnum].state & SG_SELECTED) |
660 |
|
|
str[0]=SGCHECKBOX_SELECTED; |
661 |
|
|
else |
662 |
|
|
str[0]=SGCHECKBOX_NORMAL; |
663 |
|
|
} |
664 |
|
|
|
665 |
|
|
if (cdlg[objnum].state & SG_DISABLED) |
666 |
|
|
textc = darkgreyc; |
667 |
|
|
else |
668 |
|
|
textc = blackc; |
669 |
|
|
|
670 |
|
|
str[1]='\0'; |
671 |
|
|
|
672 |
|
|
coord.w = fontwidth; |
673 |
|
|
coord.h = fontheight; |
674 |
|
|
|
675 |
|
|
if (cdlg[objnum].flags & SG_BUTTON_RIGHT) |
676 |
|
|
coord.x += ((strlen(cdlg[objnum].txt) + 1) * fontwidth); |
677 |
|
|
|
678 |
|
|
SDL_FillRect(sdlscrn, &coord, grey); |
679 |
|
|
SDLGui_Text(coord.x, coord.y, str, textc); |
680 |
|
|
} |
681 |
|
|
|
682 |
|
|
|
683 |
|
|
/*-----------------------------------------------------------------------*/ |
684 |
|
|
/* |
685 |
|
|
Draw a dialog check box object. |
686 |
|
|
*/ |
687 |
|
|
void SDLGui_DrawCheckBox(SGOBJ *cdlg, int objnum) |
688 |
|
|
{ |
689 |
|
|
SDL_Rect coord; |
690 |
|
|
SDL_Color *textc; |
691 |
|
|
|
692 |
|
|
SDLGui_ObjCoord(cdlg, objnum, &coord); |
693 |
|
|
|
694 |
|
|
if (!(cdlg[objnum].flags&SG_BUTTON_RIGHT)) |
695 |
|
|
coord.x += (fontwidth * 2); |
696 |
|
|
|
697 |
|
|
if (cdlg[objnum].state & SG_DISABLED) |
698 |
|
|
textc = darkgreyc; |
699 |
|
|
else |
700 |
|
|
textc = blackc; |
701 |
|
|
|
702 |
|
|
SDLGui_Text(coord.x, coord.y, cdlg[objnum].txt, textc); |
703 |
|
|
SDLGui_DrawCheckBoxState(cdlg, objnum); |
704 |
|
|
} |
705 |
|
|
|
706 |
|
|
|
707 |
|
|
/*-----------------------------------------------------------------------*/ |
708 |
|
|
/* |
709 |
|
|
Draw a dialog popup button object. |
710 |
|
|
*/ |
711 |
|
|
void SDLGui_DrawPopupButton(SGOBJ *pdlg, int objnum) |
712 |
|
|
{ |
713 |
|
|
SDL_Rect coord; |
714 |
|
|
const char *downstr = "\x02"; |
715 |
|
|
SDL_Color *textc; |
716 |
|
|
|
717 |
|
|
if (pdlg[objnum].state & SG_DISABLED) |
718 |
|
|
textc = darkgreyc; |
719 |
|
|
else |
720 |
|
|
textc = blackc; |
721 |
|
|
|
722 |
|
|
SDLGui_DrawBox(pdlg, objnum); |
723 |
|
|
|
724 |
|
|
SDLGui_ObjCoord(pdlg, objnum, &coord); |
725 |
|
|
|
726 |
|
|
SDLGui_Text(coord.x, coord.y, pdlg[objnum].txt, textc); |
727 |
|
|
SDLGui_Text(coord.x+coord.w-fontwidth, coord.y, downstr, textc); |
728 |
|
|
} |
729 |
|
|
|
730 |
|
|
|
731 |
|
|
/*-----------------------------------------------------------------------*/ |
732 |
|
|
/* |
733 |
|
|
Draw an object. |
734 |
|
|
*/ |
735 |
|
|
void SDLGui_DrawObject(SGOBJ *dlg, int objnum) |
736 |
|
|
{ |
737 |
|
|
switch (dlg[objnum].type) |
738 |
|
|
{ |
739 |
|
|
case SGBOX: |
740 |
|
|
SDLGui_DrawBox(dlg, objnum); |
741 |
|
|
break; |
742 |
|
|
case SGTEXT: |
743 |
|
|
SDLGui_DrawText(dlg, objnum); |
744 |
|
|
break; |
745 |
|
|
case SGEDITFIELD: |
746 |
|
|
SDLGui_DrawEditField(dlg, objnum); |
747 |
|
|
break; |
748 |
|
|
case SGBUTTON: |
749 |
|
|
SDLGui_DrawButton(dlg, objnum); |
750 |
|
|
break; |
751 |
|
|
case SGCHECKBOX: |
752 |
|
|
SDLGui_DrawCheckBox(dlg, objnum); |
753 |
|
|
break; |
754 |
|
|
case SGPOPUP: |
755 |
|
|
SDLGui_DrawPopupButton(dlg, objnum); |
756 |
|
|
break; |
757 |
|
|
} |
758 |
|
|
} |
759 |
|
|
|
760 |
|
|
|
761 |
|
|
/*-----------------------------------------------------------------------*/ |
762 |
|
|
/* |
763 |
|
|
Draw a whole dialog. |
764 |
|
|
*/ |
765 |
|
|
void SDLGui_DrawDialog(SGOBJ *dlg) |
766 |
|
|
{ |
767 |
|
|
int i; |
768 |
|
|
|
769 |
|
|
// Store dialog coordinates |
770 |
|
|
SDLGui_ObjFullCoord(dlg, 0, &DialogRect); |
771 |
|
|
|
772 |
|
|
for (i = 0 ; dlg[i].type != -1 ; i++) |
773 |
|
|
{ |
774 |
|
|
if (dlg[i].state & SG_HIDDEN) continue; |
775 |
|
|
SDLGui_DrawObject(dlg, i); |
776 |
|
|
} |
777 |
|
|
SDLGui_RefreshObj(dlg, 0); |
778 |
|
|
} |
779 |
|
|
|
780 |
|
|
|
781 |
|
|
/*-----------------------------------------------------------------------*/ |
782 |
|
|
/* |
783 |
|
|
Search default object in a dialog. |
784 |
|
|
*/ |
785 |
|
|
int SDLGui_FindDefaultObj(SGOBJ *dlg) |
786 |
|
|
{ |
787 |
|
|
int i = 0; |
788 |
|
|
|
789 |
|
|
while (dlg[i].type != -1) |
790 |
|
|
{ |
791 |
|
|
if (dlg[i].flags & SG_DEFAULT) |
792 |
|
|
return i; |
793 |
|
|
i++; |
794 |
|
|
} |
795 |
|
|
|
796 |
|
|
return -1; |
797 |
|
|
} |
798 |
|
|
|
799 |
|
|
|
800 |
|
|
/*-----------------------------------------------------------------------*/ |
801 |
|
|
/* |
802 |
|
|
Search an object at given coordinates. |
803 |
|
|
*/ |
804 |
|
|
int SDLGui_FindObj(SGOBJ *dlg, int fx, int fy) |
805 |
|
|
{ |
806 |
|
|
SDL_Rect coord; |
807 |
|
|
int end, i; |
808 |
|
|
int ob = -1; |
809 |
|
|
|
810 |
|
|
// Search end object in dialog |
811 |
|
|
i = 0; |
812 |
|
|
while (dlg[i++].type != -1); |
813 |
|
|
end = i; |
814 |
|
|
|
815 |
|
|
// Now check each object |
816 |
|
|
for (i = end-1 ; i >= 0 ; i--) |
817 |
|
|
{ |
818 |
|
|
SDLGui_ObjFullCoord(dlg, i, &coord); |
819 |
|
|
|
820 |
|
|
if(fx >= coord.x && |
821 |
|
|
fy >= coord.y && |
822 |
|
|
fx < (coord.x + coord.w) && |
823 |
|
|
fy < (coord.y + coord.h)) |
824 |
|
|
{ |
825 |
|
|
if (dlg[i].state & (SG_HIDDEN | SG_DISABLED)) continue; |
826 |
|
|
ob = i; |
827 |
|
|
break; |
828 |
|
|
} |
829 |
|
|
} |
830 |
|
|
|
831 |
|
|
return ob; |
832 |
|
|
} |
833 |
|
|
|
834 |
|
|
|
835 |
|
|
/*-----------------------------------------------------------------------*/ |
836 |
|
|
/* |
837 |
|
|
A radio object has been selected. Let's deselect any other in his group. |
838 |
|
|
*/ |
839 |
|
|
void SDLGui_SelectRadioObject(SGOBJ *dlg, int clicked_obj) |
840 |
|
|
{ |
841 |
|
|
int obj; |
842 |
|
|
|
843 |
|
|
// Find first radio object in this group |
844 |
|
|
obj = clicked_obj; |
845 |
|
|
while (dlg[--obj].flags & SG_RADIO); |
846 |
|
|
|
847 |
|
|
// Update state |
848 |
|
|
while (dlg[++obj].flags & SG_RADIO) |
849 |
|
|
{ |
850 |
|
|
// This code scan every object in the group. This allows to solve cases |
851 |
|
|
// where multiple objects where selected in the group by clicking one. |
852 |
|
|
if ((obj != clicked_obj) && (dlg[obj].state & SG_SELECTED)) |
853 |
|
|
{ |
854 |
|
|
// Deselect this radio button |
855 |
|
|
dlg[obj].state &= ~SG_SELECTED; |
856 |
|
|
SDLGui_DrawObject(dlg, obj); |
857 |
|
|
SDLGui_RefreshObj(dlg, obj); |
858 |
|
|
} |
859 |
|
|
} |
860 |
|
|
} |
861 |
|
|
|
862 |
|
|
|
863 |
|
|
/*-----------------------------------------------------------------------*/ |
864 |
|
|
/* |
865 |
|
|
Update clicked object state depending on given mouse coordinates. |
866 |
|
|
Returns true if the mouse is over the object, false otherwise. |
867 |
|
|
*/ |
868 |
|
|
bool SDLGui_UpdateObjState(SGOBJ *dlg, int clicked_obj, int original_state, |
869 |
|
|
int x, int y) |
870 |
|
|
{ |
871 |
|
|
int obj; |
872 |
|
|
|
873 |
|
|
obj = SDLGui_FindObj(dlg, x, y); |
874 |
|
|
|
875 |
|
|
// Special case : user clicked on an already selected radio object |
876 |
|
|
// do not modify its state. |
877 |
|
|
// We handle it here because it allows to exit if the object is SG_EXIT or |
878 |
|
|
// SG_TOUCHEXIT without any additional test. |
879 |
|
|
if ((dlg[clicked_obj].flags & SG_RADIO) && (original_state & SG_SELECTED)) |
880 |
|
|
return (obj == clicked_obj); |
881 |
|
|
|
882 |
|
|
if (((obj != clicked_obj) && |
883 |
|
|
(dlg[clicked_obj].state != original_state)) || |
884 |
|
|
((obj == clicked_obj) && |
885 |
|
|
(dlg[clicked_obj].state == original_state))) |
886 |
|
|
{ |
887 |
|
|
if (dlg[clicked_obj].flags & SG_SELECTABLE) |
888 |
|
|
{ |
889 |
|
|
dlg[clicked_obj].state ^= SG_SELECTED; |
890 |
|
|
SDLGui_DrawObject(dlg, clicked_obj); |
891 |
|
|
SDLGui_RefreshObj(dlg, clicked_obj); |
892 |
|
|
} |
893 |
|
|
} |
894 |
|
|
|
895 |
|
|
return (obj == clicked_obj); |
896 |
|
|
} |
897 |
|
|
|
898 |
|
|
|
899 |
|
|
/*-----------------------------------------------------------------------*/ |
900 |
|
|
/* |
901 |
|
|
Search edit field in a dialog. |
902 |
|
|
*/ |
903 |
|
|
int SDLGui_FindEditField(SGOBJ *dlg, int objnum, int mode) |
904 |
|
|
{ |
905 |
|
|
int i, j; |
906 |
|
|
|
907 |
|
|
switch (mode) |
908 |
|
|
{ |
909 |
|
|
case SG_FIRST_EDITFIELD: |
910 |
|
|
i = 0; |
911 |
|
|
while (dlg[i].type != -1) |
912 |
|
|
{ |
913 |
|
|
if ((dlg[i].type == SGEDITFIELD) && |
914 |
|
|
((dlg[i].state & (SG_HIDDEN | SG_DISABLED)) == 0)) |
915 |
|
|
return i; |
916 |
|
|
i++; |
917 |
|
|
} |
918 |
|
|
break; |
919 |
|
|
|
920 |
|
|
case SG_PREVIOUS_EDITFIELD: |
921 |
|
|
i = objnum - 1; |
922 |
|
|
while (i >= 0) |
923 |
|
|
{ |
924 |
|
|
if ((dlg[i].type == SGEDITFIELD) && |
925 |
|
|
((dlg[i].state & (SG_HIDDEN | SG_DISABLED)) == 0)) |
926 |
|
|
return i; |
927 |
|
|
i--; |
928 |
|
|
} |
929 |
|
|
break; |
930 |
|
|
|
931 |
|
|
case SG_NEXT_EDITFIELD: |
932 |
|
|
i = objnum + 1; |
933 |
|
|
while (dlg[i].type != -1) |
934 |
|
|
{ |
935 |
|
|
if ((dlg[i].type == SGEDITFIELD) && |
936 |
|
|
((dlg[i].state & (SG_HIDDEN | SG_DISABLED)) == 0)) |
937 |
|
|
return i; |
938 |
|
|
i++; |
939 |
|
|
} |
940 |
|
|
break; |
941 |
|
|
|
942 |
|
|
case SG_LAST_EDITFIELD: |
943 |
|
|
i = objnum + 1; |
944 |
|
|
j = -1; |
945 |
|
|
while (dlg[i].type != -1) |
946 |
|
|
{ |
947 |
|
|
if ((dlg[i].type == SGEDITFIELD) && |
948 |
|
|
((dlg[i].state & (SG_HIDDEN | SG_DISABLED)) == 0)) |
949 |
|
|
j = i; |
950 |
|
|
i++; |
951 |
|
|
} |
952 |
|
|
if (j != -1) |
953 |
|
|
return j; |
954 |
|
|
break; |
955 |
|
|
} |
956 |
|
|
|
957 |
|
|
return objnum; |
958 |
|
|
} |
959 |
|
|
|
960 |
|
|
|
961 |
|
|
/*-----------------------------------------------------------------------*/ |
962 |
|
|
/* |
963 |
|
|
Move cursor to another edit field. |
964 |
|
|
*/ |
965 |
|
|
void SDLGui_MoveCursor(SGOBJ *dlg, cursor_state *cursor, int mode) |
966 |
|
|
{ |
967 |
|
|
int new_object; |
968 |
|
|
|
969 |
|
|
new_object = SDLGui_FindEditField(dlg, cursor->object, mode); |
970 |
|
|
|
971 |
|
|
if (new_object != cursor->object) |
972 |
|
|
{ |
973 |
|
|
/* Erase old cursor */ |
974 |
|
|
cursor->blink_state = false; |
975 |
|
|
SDLGui_DrawCursor(dlg, cursor); |
976 |
|
|
|
977 |
|
|
cursor->object = new_object; |
978 |
|
|
cursor->position = strlen(dlg[new_object].txt); |
979 |
|
|
} |
980 |
|
|
else |
981 |
|
|
{ |
982 |
|
|
/* We stay in the same field */ |
983 |
|
|
/* Move cursor to begin or end of text depending on mode */ |
984 |
|
|
switch (mode) |
985 |
|
|
{ |
986 |
|
|
case SG_FIRST_EDITFIELD: |
987 |
|
|
case SG_PREVIOUS_EDITFIELD: |
988 |
|
|
cursor->position = 0; |
989 |
|
|
break; |
990 |
|
|
|
991 |
|
|
case SG_NEXT_EDITFIELD: |
992 |
|
|
case SG_LAST_EDITFIELD: |
993 |
|
|
cursor->position = strlen(dlg[new_object].txt); |
994 |
|
|
break; |
995 |
|
|
} |
996 |
|
|
} |
997 |
|
|
} |
998 |
|
|
|
999 |
|
|
|
1000 |
|
|
/*-----------------------------------------------------------------------*/ |
1001 |
|
|
/* |
1002 |
|
|
Handle mouse clicks on edit fields. |
1003 |
|
|
*/ |
1004 |
|
|
void SDLGui_ClickEditField(SGOBJ *dlg, cursor_state *cursor, int clicked_obj, int x) |
1005 |
|
|
{ |
1006 |
|
|
SDL_Rect coord; |
1007 |
|
|
int i, j; |
1008 |
|
|
|
1009 |
|
|
/* Erase old cursor */ |
1010 |
|
|
cursor->blink_state = false; |
1011 |
|
|
SDLGui_DrawCursor(dlg, cursor); |
1012 |
|
|
|
1013 |
|
|
SDLGui_ObjFullCoord(dlg, clicked_obj, &coord); |
1014 |
|
|
i = (x - coord.x + (fontwidth / 2)) / fontwidth; |
1015 |
|
|
j = strlen(dlg[clicked_obj].txt); |
1016 |
|
|
|
1017 |
|
|
cursor->object = clicked_obj; |
1018 |
|
|
cursor->position = MIN(i, j); |
1019 |
|
|
cursor->blink_state = true; |
1020 |
|
|
cursor->blink_counter = 0; |
1021 |
|
|
SDLGui_DrawCursor(dlg, cursor); |
1022 |
|
|
} |
1023 |
|
|
|
1024 |
|
|
|
1025 |
|
|
/*-----------------------------------------------------------------------*/ |
1026 |
|
|
/* |
1027 |
|
|
Handle mouse clicks. |
1028 |
|
|
*/ |
1029 |
|
|
int SDLGui_MouseClick(SGOBJ *dlg, int fx, int fy, cursor_state *cursor) |
1030 |
|
|
{ |
1031 |
|
|
int clicked_obj; |
1032 |
|
|
int return_obj = -1; |
1033 |
|
|
int original_state = 0; |
1034 |
|
|
int x, y; |
1035 |
|
|
|
1036 |
|
|
clicked_obj = SDLGui_FindObj(dlg, fx, fy); |
1037 |
|
|
|
1038 |
|
|
if (clicked_obj >= 0) |
1039 |
|
|
{ |
1040 |
|
|
original_state = dlg[clicked_obj].state; |
1041 |
|
|
SDLGui_UpdateObjState(dlg, clicked_obj, original_state, fx, fy); |
1042 |
|
|
|
1043 |
|
|
if (dlg[clicked_obj].flags & SG_TOUCHEXIT) |
1044 |
|
|
{ |
1045 |
|
|
return_obj = clicked_obj; |
1046 |
|
|
clicked_obj = -1; |
1047 |
|
|
} |
1048 |
|
|
} |
1049 |
|
|
|
1050 |
|
|
while (clicked_obj >= 0) |
1051 |
|
|
{ |
1052 |
|
|
SDL_Event evnt; |
1053 |
|
|
// SDL_PumpEvents() - not necessary, the main check_event thread calls it |
1054 |
|
|
if (SDL_PeepEvents(&evnt, 1, SDL_GETEVENT, SDL_EVENTMASK(SDL_USEREVENT))) |
1055 |
|
|
{ |
1056 |
|
|
switch (evnt.user.code) |
1057 |
|
|
{ |
1058 |
|
|
case SDL_USEREVENT: |
1059 |
|
|
// a signal that resolution has changed |
1060 |
|
|
// Restore clicked object original state |
1061 |
|
|
dlg[clicked_obj].state = original_state; |
1062 |
|
|
|
1063 |
|
|
// re-draw dialog |
1064 |
|
|
SDLGui_DrawDialog(dlg); |
1065 |
|
|
|
1066 |
|
|
// Exit from mouse click handling. |
1067 |
|
|
clicked_obj = -1; |
1068 |
|
|
break; |
1069 |
|
|
|
1070 |
|
|
case SDL_MOUSEBUTTONUP: |
1071 |
|
|
x = reinterpret_cast<intptr>(evnt.user.data1); |
1072 |
|
|
y = reinterpret_cast<intptr>(evnt.user.data2); |
1073 |
|
|
if (SDLGui_UpdateObjState(dlg, clicked_obj, original_state, x, y)) |
1074 |
|
|
{ |
1075 |
|
|
// true if mouse button is released over clicked object. |
1076 |
|
|
// If applicable, the object has been selected by |
1077 |
|
|
// SDLGui_UpdateObjState(). Let's do additional handling here. |
1078 |
|
|
|
1079 |
|
|
// Exit if object is an SG_EXIT one. |
1080 |
|
|
if (dlg[clicked_obj].flags & SG_EXIT) |
1081 |
|
|
return_obj = clicked_obj; |
1082 |
|
|
|
1083 |
|
|
// If it's a SG_RADIO object, deselect other objects in his group. |
1084 |
|
|
if (dlg[clicked_obj].flags & SG_RADIO) |
1085 |
|
|
SDLGui_SelectRadioObject(dlg, clicked_obj); |
1086 |
|
|
|
1087 |
|
|
if (dlg[clicked_obj].type == SGEDITFIELD) |
1088 |
|
|
SDLGui_ClickEditField(dlg, cursor, clicked_obj, x); |
1089 |
|
|
} |
1090 |
|
|
|
1091 |
|
|
// Exit from mouse click handling. |
1092 |
|
|
clicked_obj = -1; |
1093 |
|
|
|
1094 |
|
|
break; |
1095 |
|
|
} |
1096 |
|
|
} |
1097 |
|
|
else |
1098 |
|
|
{ |
1099 |
|
|
// No special event occured. |
1100 |
|
|
// Update object state according to mouse coordinates. |
1101 |
|
|
SDL_GetMouseState(&x, &y); |
1102 |
|
|
SDLGui_UpdateObjState(dlg, clicked_obj, original_state, x, y); |
1103 |
|
|
|
1104 |
|
|
// Wait a little to avoid eating CPU. |
1105 |
|
|
SDL_Delay(100); |
1106 |
|
|
} |
1107 |
|
|
} |
1108 |
|
|
|
1109 |
|
|
return return_obj; |
1110 |
|
|
} |
1111 |
|
|
|
1112 |
|
|
|
1113 |
|
|
/*-----------------------------------------------------------------------*/ |
1114 |
|
|
/* |
1115 |
|
|
Handle key press. |
1116 |
|
|
*/ |
1117 |
|
|
int SDLGui_KeyPress(SGOBJ *dlg, int keysym, int mod, cursor_state *cursor) |
1118 |
|
|
{ |
1119 |
|
|
int return_obj = -1; |
1120 |
|
|
int obj; |
1121 |
|
|
|
1122 |
|
|
if (cursor->object != -1) |
1123 |
|
|
{ |
1124 |
|
|
switch(keysym) |
1125 |
|
|
{ |
1126 |
|
|
case SDLK_RETURN: |
1127 |
|
|
case SDLK_KP_ENTER: |
1128 |
|
|
break; |
1129 |
|
|
|
1130 |
|
|
case SDLK_BACKSPACE: |
1131 |
|
|
if (cursor->position > 0) |
1132 |
|
|
{ |
1133 |
|
|
memmove(&dlg[cursor->object].txt[cursor->position-1], |
1134 |
|
|
&dlg[cursor->object].txt[cursor->position], |
1135 |
|
|
strlen(&dlg[cursor->object].txt[cursor->position])+1); |
1136 |
|
|
cursor->position--; |
1137 |
|
|
} |
1138 |
|
|
break; |
1139 |
|
|
|
1140 |
|
|
case SDLK_DELETE: |
1141 |
|
|
if(cursor->position < (int)strlen(dlg[cursor->object].txt)) |
1142 |
|
|
{ |
1143 |
|
|
memmove(&dlg[cursor->object].txt[cursor->position], |
1144 |
|
|
&dlg[cursor->object].txt[cursor->position+1], |
1145 |
|
|
strlen(&dlg[cursor->object].txt[cursor->position+1])+1); |
1146 |
|
|
} |
1147 |
|
|
break; |
1148 |
|
|
|
1149 |
|
|
case SDLK_LEFT: |
1150 |
|
|
if (cursor->position > 0) |
1151 |
|
|
cursor->position--; |
1152 |
|
|
break; |
1153 |
|
|
|
1154 |
|
|
case SDLK_RIGHT: |
1155 |
|
|
if (cursor->position < (int)strlen(dlg[cursor->object].txt)) |
1156 |
|
|
cursor->position++; |
1157 |
|
|
break; |
1158 |
|
|
|
1159 |
|
|
case SDLK_DOWN: |
1160 |
|
|
SDLGui_MoveCursor(dlg, cursor, SG_NEXT_EDITFIELD); |
1161 |
|
|
break; |
1162 |
|
|
|
1163 |
|
|
case SDLK_UP: |
1164 |
|
|
SDLGui_MoveCursor(dlg, cursor, SG_PREVIOUS_EDITFIELD); |
1165 |
|
|
break; |
1166 |
|
|
|
1167 |
|
|
case SDLK_TAB: |
1168 |
|
|
if (mod & KMOD_SHIFT) |
1169 |
|
|
SDLGui_MoveCursor(dlg, cursor, SG_PREVIOUS_EDITFIELD); |
1170 |
|
|
else |
1171 |
|
|
SDLGui_MoveCursor(dlg, cursor, SG_NEXT_EDITFIELD); |
1172 |
|
|
break; |
1173 |
|
|
|
1174 |
|
|
case SDLK_HOME: |
1175 |
|
|
if (mod & KMOD_CTRL) |
1176 |
|
|
SDLGui_MoveCursor(dlg, cursor, SG_FIRST_EDITFIELD); |
1177 |
|
|
else |
1178 |
|
|
cursor->position = 0; |
1179 |
|
|
break; |
1180 |
|
|
|
1181 |
|
|
case SDLK_END: |
1182 |
|
|
if (mod & KMOD_CTRL) |
1183 |
|
|
SDLGui_MoveCursor(dlg, cursor, SG_LAST_EDITFIELD); |
1184 |
|
|
else |
1185 |
|
|
cursor->position = strlen(dlg[cursor->object].txt); |
1186 |
|
|
break; |
1187 |
|
|
|
1188 |
|
|
default: |
1189 |
|
|
if ((keysym >= SDLK_KP0) && (keysym <= SDLK_KP9)) |
1190 |
|
|
{ |
1191 |
|
|
// map numpad numbers to normal numbers |
1192 |
|
|
keysym -= (SDLK_KP0 - SDLK_0); |
1193 |
|
|
} |
1194 |
|
|
/* If it is a "good" key then insert it into the text field */ |
1195 |
|
|
if ((keysym >= SDLK_SPACE) && (keysym < SDLK_KP0)) |
1196 |
|
|
{ |
1197 |
|
|
if (strlen(dlg[cursor->object].txt) < dlg[cursor->object].w) |
1198 |
|
|
{ |
1199 |
|
|
memmove(&dlg[cursor->object].txt[cursor->position+1], |
1200 |
|
|
&dlg[cursor->object].txt[cursor->position], |
1201 |
|
|
strlen(&dlg[cursor->object].txt[cursor->position])+1); |
1202 |
|
|
if (mod & KMOD_SHIFT) |
1203 |
|
|
dlg[cursor->object].txt[cursor->position] = toupper(keysym); |
1204 |
|
|
else |
1205 |
|
|
dlg[cursor->object].txt[cursor->position] = keysym; |
1206 |
|
|
cursor->position += 1; |
1207 |
|
|
} |
1208 |
|
|
} |
1209 |
|
|
break; |
1210 |
|
|
} |
1211 |
|
|
} |
1212 |
|
|
|
1213 |
|
|
switch(keysym) |
1214 |
|
|
{ |
1215 |
|
|
case SDLK_RETURN: |
1216 |
|
|
case SDLK_KP_ENTER: |
1217 |
|
|
obj = SDLGui_FindDefaultObj(dlg); |
1218 |
|
|
if (obj >= 0) |
1219 |
|
|
{ |
1220 |
|
|
dlg[obj].state ^= SG_SELECTED; |
1221 |
|
|
SDLGui_DrawObject(dlg, obj); |
1222 |
|
|
SDLGui_RefreshObj(dlg, obj); |
1223 |
|
|
if (dlg[obj].flags & (SG_EXIT | SG_TOUCHEXIT)) |
1224 |
|
|
{ |
1225 |
|
|
return_obj = obj; |
1226 |
|
|
SDL_Delay(300); |
1227 |
|
|
} |
1228 |
|
|
} |
1229 |
|
|
break; |
1230 |
|
|
} |
1231 |
|
|
|
1232 |
|
|
// Force cursor display. Should ease text input. |
1233 |
|
|
cursor->blink_state = true; |
1234 |
|
|
cursor->blink_counter = 0; |
1235 |
|
|
// Redraw current edit field... |
1236 |
|
|
SDLGui_DrawCursor(dlg, cursor); |
1237 |
|
|
|
1238 |
|
|
return return_obj; |
1239 |
|
|
} |
1240 |
|
|
|
1241 |
|
|
|
1242 |
|
|
/*-----------------------------------------------------------------------*/ |
1243 |
|
|
/* |
1244 |
|
|
Used to update screen while GUI is opened. Return a list of rectangles that |
1245 |
|
|
covers the screen without overlaping the current dialog. |
1246 |
|
|
*/ |
1247 |
|
|
SDL_Rect *SDLGui_GetFirstBackgroundRect(void) |
1248 |
|
|
{ |
1249 |
|
|
// Reset counter... |
1250 |
|
|
BackgroundRectCounter = SG_BCKGND_RECT_BEGIN; |
1251 |
|
|
// And returns first rectangle |
1252 |
|
|
return SDLGui_GetNextBackgroundRect(); |
1253 |
|
|
} |
1254 |
|
|
|
1255 |
|
|
|
1256 |
|
|
/*-----------------------------------------------------------------------*/ |
1257 |
|
|
/* |
1258 |
|
|
Returns next rectangle to be redrawn to update screen or NULL if we reached |
1259 |
|
|
the end of the list. |
1260 |
|
|
This code is "flying dialog" ready :) |
1261 |
|
|
It will need some updating if we implement popup buttons handled by sdlgui, |
1262 |
|
|
as the popup could be higher than the root box... |
1263 |
|
|
I used some recursivity here to simplify the code. |
1264 |
|
|
*/ |
1265 |
|
|
SDL_Rect *SDLGui_GetNextBackgroundRect(void) |
1266 |
|
|
{ |
1267 |
|
|
SDL_Rect *return_rect = NULL; |
1268 |
|
|
|
1269 |
|
|
switch (BackgroundRectCounter) |
1270 |
|
|
{ |
1271 |
|
|
case SG_BCKGND_RECT_END: |
1272 |
|
|
// Nothing to do : return_rect is already initialized to NULL. |
1273 |
|
|
break; |
1274 |
|
|
|
1275 |
|
|
case SG_BCKGND_RECT_BEGIN: |
1276 |
|
|
if (DialogRect.w == 0) |
1277 |
|
|
{ |
1278 |
|
|
// The dialog is not drawn yet... |
1279 |
|
|
// Let's redraw the full screen. |
1280 |
|
|
BackgroundRect.x = 0; |
1281 |
|
|
BackgroundRect.y = 0; |
1282 |
|
|
BackgroundRect.w = sdlscrn->w; |
1283 |
|
|
BackgroundRect.h = sdlscrn->h; |
1284 |
|
|
return_rect = &BackgroundRect; |
1285 |
|
|
// We reached the end of the list. |
1286 |
|
|
BackgroundRectCounter = SG_BCKGND_RECT_END; |
1287 |
|
|
} |
1288 |
|
|
else |
1289 |
|
|
{ |
1290 |
|
|
BackgroundRectCounter = SG_BCKGND_RECT_TOP; |
1291 |
|
|
return_rect = SDLGui_GetNextBackgroundRect(); |
1292 |
|
|
} |
1293 |
|
|
break; |
1294 |
|
|
|
1295 |
|
|
case SG_BCKGND_RECT_TOP: |
1296 |
|
|
BackgroundRectCounter = SG_BCKGND_RECT_LEFT; |
1297 |
|
|
if (DialogRect.y > 0) |
1298 |
|
|
{ |
1299 |
|
|
BackgroundRect.x = 0; |
1300 |
|
|
BackgroundRect.y = 0; |
1301 |
|
|
BackgroundRect.w = sdlscrn->w; |
1302 |
|
|
BackgroundRect.h = DialogRect.y; |
1303 |
|
|
return_rect = &BackgroundRect; |
1304 |
|
|
} |
1305 |
|
|
else |
1306 |
|
|
return_rect = SDLGui_GetNextBackgroundRect(); |
1307 |
|
|
break; |
1308 |
|
|
|
1309 |
|
|
case SG_BCKGND_RECT_LEFT: |
1310 |
|
|
BackgroundRectCounter = SG_BCKGND_RECT_RIGHT; |
1311 |
|
|
if (DialogRect.x > 0) |
1312 |
|
|
{ |
1313 |
|
|
BackgroundRect.x = 0; |
1314 |
|
|
BackgroundRect.y = (DialogRect.y > 0) ? DialogRect.y : 0; |
1315 |
|
|
BackgroundRect.w = DialogRect.x; |
1316 |
|
|
BackgroundRect.h = |
1317 |
|
|
((DialogRect.y + DialogRect.h) < (int)sdlscrn->h) ? |
1318 |
|
|
(DialogRect.h + DialogRect.y - BackgroundRect.y) : |
1319 |
|
|
(sdlscrn->h - DialogRect.y); |
1320 |
|
|
return_rect = &BackgroundRect; |
1321 |
|
|
} |
1322 |
|
|
else |
1323 |
|
|
return_rect = SDLGui_GetNextBackgroundRect(); |
1324 |
|
|
break; |
1325 |
|
|
|
1326 |
|
|
case SG_BCKGND_RECT_RIGHT: |
1327 |
|
|
BackgroundRectCounter = SG_BCKGND_RECT_BOTTOM; |
1328 |
|
|
if ((DialogRect.x + DialogRect.w) < (int)sdlscrn->w) |
1329 |
|
|
{ |
1330 |
|
|
BackgroundRect.x = DialogRect.x + DialogRect.w; |
1331 |
|
|
BackgroundRect.y = (DialogRect.y > 0) ? DialogRect.y : 0; |
1332 |
|
|
BackgroundRect.w = sdlscrn->w - (DialogRect.x + DialogRect.w); |
1333 |
|
|
BackgroundRect.h = |
1334 |
|
|
((DialogRect.y + DialogRect.h) < (int)sdlscrn->w) ? |
1335 |
|
|
(DialogRect.h + DialogRect.y - BackgroundRect.y) : |
1336 |
|
|
(sdlscrn->h - DialogRect.y); |
1337 |
|
|
return_rect = &BackgroundRect; |
1338 |
|
|
} |
1339 |
|
|
else |
1340 |
|
|
return_rect = SDLGui_GetNextBackgroundRect(); |
1341 |
|
|
break; |
1342 |
|
|
|
1343 |
|
|
case SG_BCKGND_RECT_BOTTOM: |
1344 |
|
|
BackgroundRectCounter = SG_BCKGND_RECT_END; |
1345 |
|
|
if ((DialogRect.y + DialogRect.h) < (int)sdlscrn->h) |
1346 |
|
|
{ |
1347 |
|
|
// Bottom |
1348 |
|
|
BackgroundRect.x = 0; |
1349 |
|
|
BackgroundRect.y = DialogRect.y + DialogRect.h; |
1350 |
|
|
BackgroundRect.w = sdlscrn->w; |
1351 |
|
|
BackgroundRect.h = sdlscrn->h - (DialogRect.y + DialogRect.h); |
1352 |
|
|
return_rect = &BackgroundRect; |
1353 |
|
|
} |
1354 |
|
|
else |
1355 |
|
|
return_rect = SDLGui_GetNextBackgroundRect(); |
1356 |
|
|
break; |
1357 |
|
|
} |
1358 |
|
|
|
1359 |
|
|
return return_rect; |
1360 |
|
|
} |
1361 |
|
|
|
1362 |
|
|
SDL_Event getEvent(SGOBJ *dlg, cursor_state *cursor) |
1363 |
|
|
{ |
1364 |
|
|
int i = 0; |
1365 |
|
|
while(1) { |
1366 |
|
|
SDL_Event evnt; |
1367 |
|
|
// fprintf(stderr, "Debug Before Peep events\n"); |
1368 |
|
|
if (SDL_PeepEvents(&evnt, 1, SDL_GETEVENT, SDL_EVENTMASK(SDL_USEREVENT))) |
1369 |
|
|
{ |
1370 |
|
|
fprintf(stderr, "Debug Peep events %d\n",i++); |
1371 |
|
|
SDL_Event e; |
1372 |
|
|
switch(evnt.user.code) |
1373 |
|
|
{ |
1374 |
|
|
case SDL_KEYDOWN: |
1375 |
|
|
case SDL_KEYUP: |
1376 |
|
|
e.type = evnt.user.code; |
1377 |
|
|
e.key.keysym.sym = (SDLKey)reinterpret_cast<uintptr>(evnt.user.data1); |
1378 |
|
|
e.key.keysym.mod = (SDLMod)reinterpret_cast<uintptr>(evnt.user.data2); |
1379 |
|
|
return e; |
1380 |
|
|
|
1381 |
|
|
case SDL_MOUSEBUTTONDOWN: |
1382 |
|
|
case SDL_MOUSEBUTTONUP: |
1383 |
|
|
e.type = evnt.user.code; |
1384 |
|
|
if (evnt.user.code == SDL_MOUSEBUTTONDOWN) |
1385 |
|
|
fprintf(stderr, "Debug mouse down\n"); |
1386 |
|
|
else |
1387 |
|
|
fprintf(stderr, "Debug mouse down\n"); |
1388 |
|
|
e.button.x = reinterpret_cast<intptr>(evnt.user.data1); |
1389 |
|
|
e.button.y = reinterpret_cast<intptr>(evnt.user.data2); |
1390 |
|
|
return e; |
1391 |
|
|
|
1392 |
|
|
case SDL_USEREVENT: |
1393 |
|
|
// a signal that resolution has changed |
1394 |
|
|
if (dlg != NULL) |
1395 |
|
|
SDLGui_DrawDialog(dlg); // re-draw dialog |
1396 |
|
|
break; |
1397 |
|
|
} |
1398 |
|
|
} |
1399 |
|
|
else |
1400 |
|
|
{ |
1401 |
|
|
// No special event occured. |
1402 |
|
|
// Wait a little to avoid eating CPU. |
1403 |
|
|
SDL_Delay(50); |
1404 |
|
|
if (cursor != NULL) { |
1405 |
|
|
cursor->blink_counter++; |
1406 |
|
|
if (cursor->blink_counter >= 10) { |
1407 |
|
|
cursor->blink_counter = 0; |
1408 |
|
|
cursor->blink_state = !cursor->blink_state; |
1409 |
|
|
if (dlg != NULL) |
1410 |
|
|
SDLGui_DrawCursor(dlg, cursor); |
1411 |
|
|
} |
1412 |
|
|
} |
1413 |
|
|
} |
1414 |
|
|
} |
1415 |
|
|
} |
1416 |
|
|
|
1417 |
|
|
/*-----------------------------------------------------------------------*/ |
1418 |
|
|
/* |
1419 |
|
|
Show and process a dialog. Returns the button number that has been |
1420 |
|
|
pressed. Does NOT handle SDL_QUIT - you must handle it before you |
1421 |
|
|
pass the input event to the SDL GUI. |
1422 |
|
|
*/ |
1423 |
|
|
int SDLGui_DoDialog(SGOBJ *dlg) |
1424 |
|
|
{ |
1425 |
|
|
int return_obj = -1; |
1426 |
|
|
int obj; |
1427 |
|
|
int x, y; |
1428 |
|
|
// int keysym, mod; |
1429 |
|
|
cursor_state cursor; |
1430 |
|
|
|
1431 |
|
|
// Is the left mouse button still pressed? Yes -> Handle TOUCHEXIT objects here |
1432 |
|
|
bool stillPressed = (SDL_GetMouseState(&x, &y) & SDL_BUTTON(1)); |
1433 |
|
|
obj = SDLGui_FindObj(dlg, x, y); |
1434 |
|
|
if (stillPressed && (obj >= 0) && (dlg[obj].flags & SG_TOUCHEXIT)) |
1435 |
|
|
{ |
1436 |
|
|
// Mouse button is pressed over a TOUCHEXIT Button |
1437 |
|
|
// Toogle its state before drawing anything (it has been deselected before). |
1438 |
|
|
dlg[obj].state ^= SG_SELECTED; |
1439 |
|
|
|
1440 |
|
|
return_obj = obj; |
1441 |
|
|
} |
1442 |
|
|
|
1443 |
|
|
cursor.object = SDLGui_FindEditField(dlg, -1, SG_FIRST_EDITFIELD); |
1444 |
|
|
cursor.position = (cursor.object != -1) ? strlen(dlg[cursor.object].txt) : 0; |
1445 |
|
|
cursor.blink_counter = 0; |
1446 |
|
|
cursor.blink_state = true; |
1447 |
|
|
|
1448 |
|
|
SDLGui_DrawDialog(dlg); |
1449 |
|
|
|
1450 |
|
|
/* The main loop */ |
1451 |
|
|
while (return_obj < 0) |
1452 |
|
|
{ |
1453 |
|
|
fprintf(stderr, "Debug SDL main loop\n"); |
1454 |
|
|
SDL_Event evnt = getEvent(dlg, &cursor); |
1455 |
|
|
fprintf(stderr, "Debug SDL main loop got event\n"); |
1456 |
|
|
switch(evnt.type) |
1457 |
|
|
{ |
1458 |
|
|
case SDL_KEYDOWN: |
1459 |
|
|
return_obj = SDLGui_KeyPress(dlg, evnt.key.keysym.sym, evnt.key.keysym.mod, &cursor); |
1460 |
|
|
break; |
1461 |
|
|
|
1462 |
|
|
case SDL_MOUSEBUTTONDOWN: |
1463 |
|
|
return_obj = SDLGui_MouseClick(dlg, evnt.button.x, evnt.button.y, &cursor); |
1464 |
|
|
break; |
1465 |
|
|
} |
1466 |
|
|
} |
1467 |
|
|
fprintf(stderr, "Debug SDL main loop finished\n"); |
1468 |
|
|
if (dlg[return_obj].type == SGBUTTON) |
1469 |
|
|
{ |
1470 |
|
|
// Deselect button... |
1471 |
|
|
// BUG: This should be caller responsibility |
1472 |
|
|
dlg[return_obj].state ^= SG_SELECTED; |
1473 |
|
|
} |
1474 |
|
|
|
1475 |
|
|
return return_obj; |
1476 |
|
|
} |