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/* |
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* video_window.h - Window video modes |
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* |
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* SheepShaver (C) 1997-2002 Marc Hellwig and Christian Bauer |
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* |
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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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|
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#include <DirectWindow.h> |
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|
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|
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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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|
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static bool mouse_in_view; // Flag: Mouse pointer within bitmap view |
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|
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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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|
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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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|
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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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|
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private: |
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BBitmap *the_bitmap; |
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}; |
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|
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|
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/* |
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* Window class |
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*/ |
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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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|
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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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|
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private: |
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static status_t tick_func(void *arg); |
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|
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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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|
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uint32 old_scroll_lock_state; |
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|
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thread_id tick_thread; |
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bool tick_thread_active; |
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|
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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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|
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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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|
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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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|
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/* |
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* Window constructor |
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*/ |
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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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|
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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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|
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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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|
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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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|
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// Read frame skip prefs |
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frame_skip = PrefsFindInt32("frameskip"); |
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|
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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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|
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// Resize window to fit menu bar |
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ResizeBy(0, mbar_height); |
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|
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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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|
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// Clear Mac cursor image |
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memset(MacCursor + 4, 0, 64); |
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|
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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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|
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// Create drawing semaphore (for direct mode) |
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drawing_sem = create_sem(0, "direct frame buffer access"); |
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|
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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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|
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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); |
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main_view->AddFilter(filter); |
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|
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// Show window |
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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")); |
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} |
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|
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|
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/* |
243 |
* Window destructor |
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*/ |
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|
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MacWindow::~MacWindow() |
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{ |
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// Restore cursor |
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mouse_in_view = false; |
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be_app->SetCursor(B_HAND_CURSOR); |
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|
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// Hide window |
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D(bug("Window destructor, hiding window\n")); |
254 |
Hide(); |
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Sync(); |
256 |
|
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// Stop 60Hz interrupt |
258 |
D(bug("Quitting tick thread\n")); |
259 |
status_t l; |
260 |
tick_thread_active = false; |
261 |
delete_sem(drawing_sem); |
262 |
while (wait_for_thread(tick_thread, &l) == B_INTERRUPTED) ; |
263 |
D(bug("tick thread quit\n")); |
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|
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// dispose allocated memory |
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delete the_bitmap; |
267 |
delete[] the_buffer; |
268 |
|
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// Tell emulator that we're done |
270 |
the_window = NULL; |
271 |
D(bug("Window destructor done\n")); |
272 |
} |
273 |
|
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|
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/* |
276 |
* Window connected/disconnected |
277 |
*/ |
278 |
|
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void MacWindow::DirectConnected(direct_buffer_info *info) |
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{ |
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D(bug("DirectConnected, state %d\n", info->buffer_state)); |
282 |
switch (info->buffer_state & B_DIRECT_MODE_MASK) { |
283 |
case B_DIRECT_STOP: |
284 |
acquire_sem(drawing_sem); |
285 |
break; |
286 |
case B_DIRECT_MODIFY: |
287 |
acquire_sem(drawing_sem); |
288 |
case B_DIRECT_START: |
289 |
bits = (void *)((uint8 *)info->bits + info->window_bounds.top * info->bytes_per_row + info->window_bounds.left * info->bits_per_pixel / 8); |
290 |
bytes_per_row = info->bytes_per_row; |
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pixel_format = info->pixel_format; |
292 |
unclipped = false; |
293 |
if (info->clip_list_count == 1) |
294 |
if (memcmp(&info->clip_bounds, &info->window_bounds, sizeof(clipping_rect)) == 0) |
295 |
unclipped = true; |
296 |
if (bit_bang) { |
297 |
screen_base = (uint32)bits; |
298 |
VModes[cur_mode].viRowBytes = bytes_per_row; |
299 |
} |
300 |
release_sem(drawing_sem); |
301 |
break; |
302 |
} |
303 |
D(bug("DirectConnected done\n")); |
304 |
} |
305 |
|
306 |
|
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/* |
308 |
* Handles redraw messages |
309 |
*/ |
310 |
|
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void MacWindow::MessageReceived(BMessage *msg) |
312 |
{ |
313 |
BMessage *msg2; |
314 |
|
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switch (msg->what) { |
316 |
case MSG_REDRAW: { |
317 |
|
318 |
// Prevent backlog of messages |
319 |
MessageQueue()->Lock(); |
320 |
while ((msg2 = MessageQueue()->FindMessage(MSG_REDRAW, 0)) != NULL) { |
321 |
MessageQueue()->RemoveMessage(msg2); |
322 |
delete msg2; |
323 |
} |
324 |
MessageQueue()->Unlock(); |
325 |
|
326 |
// Convert Mac screen buffer to BeOS palette and blit |
327 |
uint32 length = VModes[cur_mode].viRowBytes * VModes[cur_mode].viYsize; |
328 |
if (mode == B_COLOR_8_BIT) { |
329 |
// Palette conversion |
330 |
uint8 *source = the_buffer - 1; |
331 |
uint8 *dest = (uint8 *)the_bitmap->Bits() - 1; |
332 |
for (int i=0; i<length; i++) |
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*++dest = remap_mac_be[*++source]; |
334 |
} else if (mode == B_RGB_16_BIT) { |
335 |
// Endianess conversion |
336 |
uint16 *source = (uint16 *)the_buffer; |
337 |
uint16 *dest = (uint16 *)the_bitmap->Bits() - 1; |
338 |
for (int i=0; i<length/2; i++) |
339 |
*++dest = __lhbrx(source++, 0); |
340 |
} else if (mode == B_RGB_32_BIT) { |
341 |
// Endianess conversion |
342 |
uint32 *source = (uint32 *)the_buffer; |
343 |
uint32 *dest = (uint32 *)the_bitmap->Bits() - 1; |
344 |
for (int i=0; i<length/4; i++) |
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*++dest = __lwbrx(source++, 0); |
346 |
} |
347 |
BRect update_rect = BRect(0, 0, VModes[cur_mode].viXsize-1, VModes[cur_mode].viYsize-1); |
348 |
main_view->DrawBitmapAsync(the_bitmap, update_rect, update_rect); |
349 |
break; |
350 |
} |
351 |
|
352 |
case MSG_ABOUT_REQUESTED: |
353 |
OpenAboutWindow(); |
354 |
break; |
355 |
|
356 |
case MSG_REF_5HZ: |
357 |
PrefsReplaceInt32("frameskip", frame_skip = 12); |
358 |
break; |
359 |
|
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 |
} |