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cebix |
1.1 |
/* |
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* video_window.h - Window video modes |
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* |
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cebix |
1.2 |
* SheepShaver (C) 1997-2004 Marc Hellwig and Christian Bauer |
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cebix |
1.1 |
* |
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* This program 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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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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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 this program; 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 <DirectWindow.h> |
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// Messages |
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static const uint32 MSG_REDRAW = 'draw'; |
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static const uint32 MSG_ABOUT_REQUESTED = B_ABOUT_REQUESTED; |
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static const uint32 MSG_REF_5HZ = ' 5Hz'; |
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static const uint32 MSG_REF_7_5HZ = ' 7Hz'; |
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static const uint32 MSG_REF_10HZ = '10Hz'; |
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static const uint32 MSG_REF_15HZ = '15Hz'; |
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static const uint32 MSG_REF_30HZ = '30Hz'; |
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static const uint32 MSG_REF_60HZ = '60Hz'; |
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static const uint32 MSG_MOUNT = 'moun'; |
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static bool mouse_in_view; // Flag: Mouse pointer within bitmap view |
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// From sys_beos.cpp |
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extern void SysCreateVolumeMenu(BMenu *menu, uint32 msg); |
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extern void SysMountVolume(const char *name); |
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/* |
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* A simple view class for blitting a bitmap on the screen |
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*/ |
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class BitmapView : public BView { |
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public: |
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BitmapView(BRect frame, BBitmap *bitmap) : BView(frame, "bitmap", B_FOLLOW_NONE, B_WILL_DRAW) |
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{ |
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the_bitmap = bitmap; |
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} |
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virtual void Draw(BRect update) |
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{ |
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if (the_bitmap) |
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DrawBitmap(the_bitmap, update, update); |
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} |
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virtual void MouseMoved(BPoint point, uint32 transit, const BMessage *message); |
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private: |
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BBitmap *the_bitmap; |
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}; |
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/* |
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* Window class |
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*/ |
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class MacWindow : public BDirectWindow { |
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public: |
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MacWindow(BRect frame); |
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virtual ~MacWindow(); |
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virtual void MessageReceived(BMessage *msg); |
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virtual void DirectConnected(direct_buffer_info *info); |
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virtual void WindowActivated(bool active); |
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int32 frame_skip; |
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bool cursor_changed; // Flag: set new cursor image in tick function |
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private: |
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static status_t tick_func(void *arg); |
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BitmapView *main_view; |
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BBitmap *the_bitmap; |
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uint8 *the_buffer; |
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uint32 old_scroll_lock_state; |
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thread_id tick_thread; |
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bool tick_thread_active; |
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bool supports_direct_mode; |
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bool bit_bang; |
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sem_id drawing_sem; |
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color_space mode; |
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void *bits; |
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int32 bytes_per_row; |
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color_space pixel_format; |
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bool unclipped; |
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}; |
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// Pointer to our window |
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static MacWindow *the_window = NULL; |
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/* |
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* Window constructor |
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*/ |
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MacWindow::MacWindow(BRect frame) : BDirectWindow(frame, GetString(STR_WINDOW_TITLE), B_TITLED_WINDOW, B_NOT_RESIZABLE | B_NOT_CLOSABLE | B_NOT_ZOOMABLE) |
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{ |
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D(bug("Window constructor\n")); |
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supports_direct_mode = SupportsWindowMode(); |
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cursor_changed = false; |
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bit_bang = supports_direct_mode && PrefsFindBool("bitbang"); |
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// Move window to right position |
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Lock(); |
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MoveTo(80, 60); |
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// Allocate bitmap |
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{ |
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BScreen scr(this); |
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mode = B_COLOR_8_BIT; |
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switch (VModes[cur_mode].viAppleMode) { |
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case APPLE_8_BIT: |
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mode = B_COLOR_8_BIT; |
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bit_bang = false; |
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break; |
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case APPLE_16_BIT: |
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mode = B_RGB_16_BIT; |
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if (scr.ColorSpace() != B_RGB15_BIG && scr.ColorSpace() != B_RGBA15_BIG) |
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bit_bang = false; |
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break; |
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case APPLE_32_BIT: |
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mode = B_RGB_32_BIT; |
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if (scr.ColorSpace() != B_RGB32_BIG && scr.ColorSpace() != B_RGBA32_BIG) |
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bit_bang = false; |
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break; |
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} |
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} |
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if (bit_bang) { |
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the_bitmap = NULL; |
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the_buffer = NULL; |
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} else { |
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the_bitmap = new BBitmap(frame, mode); |
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the_buffer = new uint8[VModes[cur_mode].viRowBytes * (VModes[cur_mode].viYsize + 2)]; // ("height + 2" for safety) |
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screen_base = (uint32)the_buffer; |
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} |
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// Create bitmap view |
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main_view = new BitmapView(frame, the_bitmap); |
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AddChild(main_view); |
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main_view->MakeFocus(); |
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// Read frame skip prefs |
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frame_skip = PrefsFindInt32("frameskip"); |
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// Set up menus |
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BRect bounds = Bounds(); |
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bounds.OffsetBy(0, bounds.IntegerHeight() + 1); |
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BMenuItem *item; |
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BMenuBar *bar = new BMenuBar(bounds, "menu"); |
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BMenu *menu = new BMenu(GetString(STR_WINDOW_MENU)); |
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menu->AddItem(new BMenuItem(GetString(STR_WINDOW_ITEM_ABOUT), new BMessage(MSG_ABOUT_REQUESTED))); |
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menu->AddItem(new BSeparatorItem); |
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BMenu *submenu = new BMenu(GetString(STR_WINDOW_ITEM_REFRESH)); |
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submenu->AddItem(new BMenuItem(GetString(STR_REF_5HZ_LAB), new BMessage(MSG_REF_5HZ))); |
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submenu->AddItem(new BMenuItem(GetString(STR_REF_7_5HZ_LAB), new BMessage(MSG_REF_7_5HZ))); |
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submenu->AddItem(new BMenuItem(GetString(STR_REF_10HZ_LAB), new BMessage(MSG_REF_10HZ))); |
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submenu->AddItem(new BMenuItem(GetString(STR_REF_15HZ_LAB), new BMessage(MSG_REF_15HZ))); |
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submenu->AddItem(new BMenuItem(GetString(STR_REF_30HZ_LAB), new BMessage(MSG_REF_30HZ))); |
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submenu->AddItem(new BMenuItem(GetString(STR_REF_60HZ_LAB), new BMessage(MSG_REF_60HZ))); |
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submenu->SetRadioMode(true); |
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if (frame_skip == 12) { |
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if ((item = submenu->FindItem(GetString(STR_REF_5HZ_LAB))) != NULL) |
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item->SetMarked(true); |
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} else if (frame_skip == 8) { |
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if ((item = submenu->FindItem(GetString(STR_REF_7_5HZ_LAB))) != NULL) |
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item->SetMarked(true); |
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} else if (frame_skip == 6) { |
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if ((item = submenu->FindItem(GetString(STR_REF_10HZ_LAB))) != NULL) |
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item->SetMarked(true); |
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} else if (frame_skip == 4) { |
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if ((item = submenu->FindItem(GetString(STR_REF_15HZ_LAB))) != NULL) |
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item->SetMarked(true); |
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} else if (frame_skip == 2) { |
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if ((item = submenu->FindItem(GetString(STR_REF_30HZ_LAB))) != NULL) |
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item->SetMarked(true); |
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} else if (frame_skip == 1) { |
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if ((item = submenu->FindItem(GetString(STR_REF_60HZ_LAB))) != NULL) |
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item->SetMarked(true); |
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} |
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menu->AddItem(submenu); |
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submenu = new BMenu(GetString(STR_WINDOW_ITEM_MOUNT)); |
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SysCreateVolumeMenu(submenu, MSG_MOUNT); |
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menu->AddItem(submenu); |
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bar->AddItem(menu); |
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AddChild(bar); |
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SetKeyMenuBar(bar); |
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int mbar_height = bar->Frame().IntegerHeight() + 1; |
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// Resize window to fit menu bar |
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ResizeBy(0, mbar_height); |
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// Set mouse mode and scroll lock state |
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ADBSetRelMouseMode(false); |
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mouse_in_view = true; |
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old_scroll_lock_state = modifiers() & B_SCROLL_LOCK; |
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if (old_scroll_lock_state) |
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SetTitle(GetString(STR_WINDOW_TITLE_FROZEN)); |
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else |
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SetTitle(GetString(STR_WINDOW_TITLE)); |
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// Clear Mac cursor image |
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memset(MacCursor + 4, 0, 64); |
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// Keep window aligned to 8-byte frame buffer boundaries for faster blitting |
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SetWindowAlignment(B_BYTE_ALIGNMENT, 8); |
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// Create drawing semaphore (for direct mode) |
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drawing_sem = create_sem(0, "direct frame buffer access"); |
| 224 |
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// Start 60Hz interrupt |
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tick_thread_active = true; |
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tick_thread = spawn_thread(tick_func, "Window Redraw", B_DISPLAY_PRIORITY, this); |
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resume_thread(tick_thread); |
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// Add filter for keyboard and mouse events |
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BMessageFilter *filter = new BMessageFilter(B_ANY_DELIVERY, B_ANY_SOURCE, filter_func); |
| 232 |
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main_view->AddFilter(filter); |
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// Show window |
| 235 |
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Unlock(); |
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Show(); |
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Sync(); |
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D(bug("Window constructor done\n")); |
| 239 |
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} |
| 240 |
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| 241 |
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| 242 |
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/* |
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* Window destructor |
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*/ |
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MacWindow::~MacWindow() |
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{ |
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// Restore cursor |
| 249 |
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mouse_in_view = false; |
| 250 |
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be_app->SetCursor(B_HAND_CURSOR); |
| 251 |
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| 252 |
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// Hide window |
| 253 |
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D(bug("Window destructor, hiding window\n")); |
| 254 |
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Hide(); |
| 255 |
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Sync(); |
| 256 |
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| 257 |
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// Stop 60Hz interrupt |
| 258 |
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D(bug("Quitting tick thread\n")); |
| 259 |
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status_t l; |
| 260 |
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tick_thread_active = false; |
| 261 |
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delete_sem(drawing_sem); |
| 262 |
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while (wait_for_thread(tick_thread, &l) == B_INTERRUPTED) ; |
| 263 |
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D(bug("tick thread quit\n")); |
| 264 |
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| 265 |
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// dispose allocated memory |
| 266 |
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delete the_bitmap; |
| 267 |
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delete[] the_buffer; |
| 268 |
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| 269 |
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// Tell emulator that we're done |
| 270 |
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the_window = NULL; |
| 271 |
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D(bug("Window destructor done\n")); |
| 272 |
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} |
| 273 |
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| 274 |
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| 275 |
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/* |
| 276 |
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* Window connected/disconnected |
| 277 |
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*/ |
| 278 |
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| 279 |
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void MacWindow::DirectConnected(direct_buffer_info *info) |
| 280 |
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{ |
| 281 |
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D(bug("DirectConnected, state %d\n", info->buffer_state)); |
| 282 |
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switch (info->buffer_state & B_DIRECT_MODE_MASK) { |
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case B_DIRECT_STOP: |
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acquire_sem(drawing_sem); |
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break; |
| 286 |
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case B_DIRECT_MODIFY: |
| 287 |
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acquire_sem(drawing_sem); |
| 288 |
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case B_DIRECT_START: |
| 289 |
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bits = (void *)((uint8 *)info->bits + info->window_bounds.top * info->bytes_per_row + info->window_bounds.left * info->bits_per_pixel / 8); |
| 290 |
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bytes_per_row = info->bytes_per_row; |
| 291 |
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pixel_format = info->pixel_format; |
| 292 |
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unclipped = false; |
| 293 |
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if (info->clip_list_count == 1) |
| 294 |
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if (memcmp(&info->clip_bounds, &info->window_bounds, sizeof(clipping_rect)) == 0) |
| 295 |
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unclipped = true; |
| 296 |
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if (bit_bang) { |
| 297 |
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screen_base = (uint32)bits; |
| 298 |
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VModes[cur_mode].viRowBytes = bytes_per_row; |
| 299 |
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} |
| 300 |
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release_sem(drawing_sem); |
| 301 |
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break; |
| 302 |
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} |
| 303 |
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D(bug("DirectConnected done\n")); |
| 304 |
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} |
| 305 |
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| 306 |
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| 307 |
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/* |
| 308 |
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* Handles redraw messages |
| 309 |
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*/ |
| 310 |
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| 311 |
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void MacWindow::MessageReceived(BMessage *msg) |
| 312 |
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{ |
| 313 |
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BMessage *msg2; |
| 314 |
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| 315 |
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switch (msg->what) { |
| 316 |
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case MSG_REDRAW: { |
| 317 |
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| 318 |
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// Prevent backlog of messages |
| 319 |
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MessageQueue()->Lock(); |
| 320 |
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while ((msg2 = MessageQueue()->FindMessage(MSG_REDRAW, 0)) != NULL) { |
| 321 |
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MessageQueue()->RemoveMessage(msg2); |
| 322 |
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delete msg2; |
| 323 |
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} |
| 324 |
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MessageQueue()->Unlock(); |
| 325 |
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| 326 |
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// Convert Mac screen buffer to BeOS palette and blit |
| 327 |
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uint32 length = VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize; |
| 328 |
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if (mode == B_COLOR_8_BIT) { |
| 329 |
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// Palette conversion |
| 330 |
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uint8 *source = the_buffer - 1; |
| 331 |
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uint8 *dest = (uint8 *)the_bitmap->Bits() - 1; |
| 332 |
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for (int i=0; i<length; i++) |
| 333 |
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*++dest = remap_mac_be[*++source]; |
| 334 |
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} else if (mode == B_RGB_16_BIT) { |
| 335 |
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// Endianess conversion |
| 336 |
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uint16 *source = (uint16 *)the_buffer; |
| 337 |
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uint16 *dest = (uint16 *)the_bitmap->Bits() - 1; |
| 338 |
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for (int i=0; i<length/2; i++) |
| 339 |
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*++dest = __lhbrx(source++, 0); |
| 340 |
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} else if (mode == B_RGB_32_BIT) { |
| 341 |
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// Endianess conversion |
| 342 |
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uint32 *source = (uint32 *)the_buffer; |
| 343 |
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uint32 *dest = (uint32 *)the_bitmap->Bits() - 1; |
| 344 |
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for (int i=0; i<length/4; i++) |
| 345 |
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*++dest = __lwbrx(source++, 0); |
| 346 |
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} |
| 347 |
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BRect update_rect = BRect(0, 0, VModes[cur_mode].viXsize-1, VModes[cur_mode].viYsize-1); |
| 348 |
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main_view->DrawBitmapAsync(the_bitmap, update_rect, update_rect); |
| 349 |
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break; |
| 350 |
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} |
| 351 |
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| 352 |
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case MSG_ABOUT_REQUESTED: |
| 353 |
|
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OpenAboutWindow(); |
| 354 |
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break; |
| 355 |
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| 356 |
|
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case MSG_REF_5HZ: |
| 357 |
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PrefsReplaceInt32("frameskip", frame_skip = 12); |
| 358 |
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break; |
| 359 |
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|
|
| 360 |
|
|
case MSG_REF_7_5HZ: |
| 361 |
|
|
PrefsReplaceInt32("frameskip", frame_skip = 8); |
| 362 |
|
|
break; |
| 363 |
|
|
|
| 364 |
|
|
case MSG_REF_10HZ: |
| 365 |
|
|
PrefsReplaceInt32("frameskip", frame_skip = 6); |
| 366 |
|
|
break; |
| 367 |
|
|
|
| 368 |
|
|
case MSG_REF_15HZ: |
| 369 |
|
|
PrefsReplaceInt32("frameskip", frame_skip = 4); |
| 370 |
|
|
break; |
| 371 |
|
|
|
| 372 |
|
|
case MSG_REF_30HZ: |
| 373 |
|
|
PrefsReplaceInt32("frameskip", frame_skip = 2); |
| 374 |
|
|
break; |
| 375 |
|
|
|
| 376 |
|
|
case MSG_REF_60HZ: |
| 377 |
|
|
PrefsReplaceInt32("frameskip", frame_skip = 1); |
| 378 |
|
|
break; |
| 379 |
|
|
|
| 380 |
|
|
case MSG_MOUNT: { |
| 381 |
|
|
BMenuItem *source = NULL; |
| 382 |
|
|
msg->FindPointer("source", (void **)&source); |
| 383 |
|
|
if (source) |
| 384 |
|
|
SysMountVolume(source->Label()); |
| 385 |
|
|
break; |
| 386 |
|
|
} |
| 387 |
|
|
|
| 388 |
|
|
default: |
| 389 |
|
|
BDirectWindow::MessageReceived(msg); |
| 390 |
|
|
} |
| 391 |
|
|
} |
| 392 |
|
|
|
| 393 |
|
|
|
| 394 |
|
|
/* |
| 395 |
|
|
* Window activated/deactivated |
| 396 |
|
|
*/ |
| 397 |
|
|
|
| 398 |
|
|
void MacWindow::WindowActivated(bool active) |
| 399 |
|
|
{ |
| 400 |
|
|
video_activated = active; |
| 401 |
|
|
if (active) |
| 402 |
|
|
frame_skip = PrefsFindInt32("frameskip"); |
| 403 |
|
|
else |
| 404 |
|
|
frame_skip = 12; // 5Hz in background |
| 405 |
|
|
BDirectWindow::WindowActivated(active); |
| 406 |
|
|
} |
| 407 |
|
|
|
| 408 |
|
|
|
| 409 |
|
|
/* |
| 410 |
|
|
* 60Hz interrupt routine |
| 411 |
|
|
*/ |
| 412 |
|
|
|
| 413 |
|
|
status_t MacWindow::tick_func(void *arg) |
| 414 |
|
|
{ |
| 415 |
|
|
MacWindow *obj = (MacWindow *)arg; |
| 416 |
|
|
static int tick_counter = 0; |
| 417 |
|
|
while (obj->tick_thread_active) { |
| 418 |
|
|
|
| 419 |
|
|
// Wait |
| 420 |
|
|
snooze(16667); |
| 421 |
|
|
|
| 422 |
|
|
// Refresh window |
| 423 |
|
|
if (!obj->bit_bang) |
| 424 |
|
|
tick_counter++; |
| 425 |
|
|
if (tick_counter >= obj->frame_skip) { |
| 426 |
|
|
tick_counter = 0; |
| 427 |
|
|
|
| 428 |
|
|
// Window title is determined by Scroll Lock state |
| 429 |
|
|
uint32 scroll_lock_state = modifiers() & B_SCROLL_LOCK; |
| 430 |
|
|
if (scroll_lock_state != obj->old_scroll_lock_state) { |
| 431 |
|
|
if (scroll_lock_state) |
| 432 |
|
|
obj->SetTitle(GetString(STR_WINDOW_TITLE_FROZEN)); |
| 433 |
|
|
else |
| 434 |
|
|
obj->SetTitle(GetString(STR_WINDOW_TITLE)); |
| 435 |
|
|
obj->old_scroll_lock_state = scroll_lock_state; |
| 436 |
|
|
} |
| 437 |
|
|
|
| 438 |
|
|
// Refresh display unless Scroll Lock is down |
| 439 |
|
|
if (!scroll_lock_state) { |
| 440 |
|
|
|
| 441 |
|
|
// If direct frame buffer access is supported and the content area is completely visible, |
| 442 |
|
|
// convert the Mac screen buffer directly. Otherwise, send a message to the window to do |
| 443 |
|
|
// it into a bitmap |
| 444 |
|
|
if (obj->supports_direct_mode) { |
| 445 |
|
|
if (acquire_sem_etc(obj->drawing_sem, 1, B_TIMEOUT, 200000) == B_NO_ERROR) { |
| 446 |
|
|
if (obj->unclipped && obj->mode == B_COLOR_8_BIT && obj->pixel_format == B_CMAP8) { |
| 447 |
|
|
uint8 *source = obj->the_buffer - 1; |
| 448 |
|
|
uint8 *dest = (uint8 *)obj->bits; |
| 449 |
|
|
uint32 bytes_per_row = obj->bytes_per_row; |
| 450 |
|
|
int xsize = VModes[cur_mode].viXsize; |
| 451 |
|
|
int ysize = VModes[cur_mode].viYsize; |
| 452 |
|
|
for (int y=0; y<ysize; y++) { |
| 453 |
|
|
uint32 *p = (uint32 *)dest - 1; |
| 454 |
|
|
for (int x=0; x<xsize/4; x++) { |
| 455 |
|
|
uint32 c = remap_mac_be[*++source] << 24; |
| 456 |
|
|
c |= remap_mac_be[*++source] << 16; |
| 457 |
|
|
c |= remap_mac_be[*++source] << 8; |
| 458 |
|
|
c |= remap_mac_be[*++source]; |
| 459 |
|
|
*++p = c; |
| 460 |
|
|
} |
| 461 |
|
|
dest += bytes_per_row; |
| 462 |
|
|
} |
| 463 |
|
|
} else if (obj->unclipped && obj->mode == B_RGB_16_BIT && (obj->pixel_format == B_RGB15_BIG || obj->pixel_format == B_RGBA15_BIG)) { |
| 464 |
|
|
uint8 *source = obj->the_buffer; |
| 465 |
|
|
uint8 *dest = (uint8 *)obj->bits; |
| 466 |
|
|
uint32 sbpr = VModes[cur_mode].viRowBytes; |
| 467 |
|
|
uint32 dbpr = obj->bytes_per_row; |
| 468 |
|
|
int xsize = VModes[cur_mode].viXsize; |
| 469 |
|
|
int ysize = VModes[cur_mode].viYsize; |
| 470 |
|
|
for (int y=0; y<ysize; y++) { |
| 471 |
|
|
memcpy(dest, source, xsize * 2); |
| 472 |
|
|
source += sbpr; |
| 473 |
|
|
dest += dbpr; |
| 474 |
|
|
} |
| 475 |
|
|
} else if (obj->unclipped && obj->mode == B_RGB_32_BIT && (obj->pixel_format == B_RGB32_BIG || obj->pixel_format == B_RGBA32_BIG)) { |
| 476 |
|
|
uint8 *source = obj->the_buffer; |
| 477 |
|
|
uint8 *dest = (uint8 *)obj->bits; |
| 478 |
|
|
uint32 sbpr = VModes[cur_mode].viRowBytes; |
| 479 |
|
|
uint32 dbpr = obj->bytes_per_row; |
| 480 |
|
|
int xsize = VModes[cur_mode].viXsize; |
| 481 |
|
|
int ysize = VModes[cur_mode].viYsize; |
| 482 |
|
|
for (int y=0; y<ysize; y++) { |
| 483 |
|
|
memcpy(dest, source, xsize * 4); |
| 484 |
|
|
source += sbpr; |
| 485 |
|
|
dest += dbpr; |
| 486 |
|
|
} |
| 487 |
|
|
} else |
| 488 |
|
|
obj->PostMessage(MSG_REDRAW); |
| 489 |
|
|
release_sem(obj->drawing_sem); |
| 490 |
|
|
} |
| 491 |
|
|
} else |
| 492 |
|
|
obj->PostMessage(MSG_REDRAW); |
| 493 |
|
|
} |
| 494 |
|
|
} |
| 495 |
|
|
|
| 496 |
|
|
// Set new cursor image if desired |
| 497 |
|
|
if (obj->cursor_changed) { |
| 498 |
|
|
if (mouse_in_view) |
| 499 |
|
|
be_app->SetCursor(MacCursor); |
| 500 |
|
|
obj->cursor_changed = false; |
| 501 |
|
|
} |
| 502 |
|
|
} |
| 503 |
|
|
return 0; |
| 504 |
|
|
} |
| 505 |
|
|
|
| 506 |
|
|
|
| 507 |
|
|
/* |
| 508 |
|
|
* Mouse moved |
| 509 |
|
|
*/ |
| 510 |
|
|
|
| 511 |
|
|
void BitmapView::MouseMoved(BPoint point, uint32 transit, const BMessage *message) |
| 512 |
|
|
{ |
| 513 |
|
|
switch (transit) { |
| 514 |
|
|
case B_ENTERED_VIEW: |
| 515 |
|
|
mouse_in_view = true; |
| 516 |
|
|
be_app->SetCursor(MacCursor); |
| 517 |
|
|
break; |
| 518 |
|
|
case B_EXITED_VIEW: |
| 519 |
|
|
mouse_in_view = false; |
| 520 |
|
|
be_app->SetCursor(B_HAND_CURSOR); |
| 521 |
|
|
break; |
| 522 |
|
|
} |
| 523 |
|
|
} |
