4 // Graphical User Interface support
6 // © 2014 Underground Software
8 // JLH = James Hammons <jlhamm@acm.org>
11 // --- ---------- ------------------------------------------------------------
12 // JLH 02/03/2006 Created this file
13 // JLH 03/13/2006 Added functions to allow shutting down GUI externally
14 // JLH 03/22/2006 Finalized basic multiple window support
15 // JLH 03/03/2014 Refactored GUI to use SDL 2, more modern approach as well
19 // - Memory leak on quitting with a window active [DONE]
20 // - Multiple window handling [DONE]
25 #include "applevideo.h"
26 #include "diskselector.h"
30 // Icons, in GIMP "C" format
31 #include "gfx/icon-selection.c"
32 #include "gfx/disk-icon.c"
33 #include "gfx/power-off-icon.c"
34 #include "gfx/power-on-icon.c"
35 #include "gfx/disk-swap-icon.c"
36 #include "gfx/disk-door-open.c"
37 #include "gfx/disk-door-closed.c"
38 #include "gfx/save-state-icon.c"
39 #include "gfx/load-state-icon.c"
40 #include "gfx/config-icon.c"
43 // Okay, this is ugly but works and I can't think of any better way to handle
44 // this. So what we do when we pass the GIMP bitmaps into a function is pass
45 // them as a (void *) and then cast them as type (Bitmap *) in order to use
46 // them. Yes, it's ugly. Come up with something better!
51 unsigned int bytesPerPixel; // 3:RGB, 4:RGBA
52 unsigned char pixelData[];
56 const char numeralOne[(7 * 7) + 1] =
65 const char numeralTwo[(7 * 7) + 1] =
74 const char ejectIcon[(8 * 7) + 1] =
83 const char driveLight[(5 * 5) + 1] =
91 enum { SBS_SHOWING, SBS_HIDING, SBS_SHOWN, SBS_HIDDEN };
94 SDL_Texture * GUI::overlay = NULL;
96 int GUI::sidebarState = SBS_HIDDEN;
98 int32_t GUI::iconSelected = -1;
99 bool GUI::hasKeyboardFocus = false;
100 int32_t lastIconSelected = -1;
101 SDL_Texture * iconSelection = NULL;
102 SDL_Texture * diskIcon = NULL;
103 SDL_Texture * disk1Icon = NULL;
104 SDL_Texture * disk2Icon = NULL;
105 SDL_Texture * powerOnIcon = NULL;
106 SDL_Texture * powerOffIcon = NULL;
107 SDL_Texture * diskSwapIcon = NULL;
108 SDL_Texture * stateSaveIcon = NULL;
109 SDL_Texture * stateLoadIcon = NULL;
110 SDL_Texture * configIcon = NULL;
111 SDL_Texture * doorOpen = NULL;
112 SDL_Texture * doorClosed = NULL;
113 uint32_t texturePointer[128 * 380];
114 const char iconHelp[7][80] = { "Turn emulated Apple off/on",
115 "Insert floppy image into drive #1", "Insert floppy image into drive #2",
116 "Swap disks", "Save emulator state", "Load emulator state",
117 "Configure Apple2" };
119 #define SIDEBAR_X_POS (VIRTUAL_SCREEN_WIDTH - 80)
132 void GUI::Init(SDL_Renderer * renderer)
134 overlay = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_ABGR8888,
135 SDL_TEXTUREACCESS_TARGET, 128, 380);
139 WriteLog("GUI: Could not create overlay!\n");
143 if (SDL_SetTextureBlendMode(overlay, SDL_BLENDMODE_BLEND) == -1)
144 WriteLog("GUI: Could not set blend mode for overlay.\n");
146 for(uint32_t i=0; i<128*380; i++)
147 texturePointer[i] = 0xB0A000A0;
149 SDL_UpdateTexture(overlay, NULL, texturePointer, 128 * sizeof(Uint32));
151 olDst.x = VIRTUAL_SCREEN_WIDTH;
156 iconSelection = CreateTexture(renderer, &icon_selection);
157 diskIcon = CreateTexture(renderer, &disk_icon);
158 doorOpen = CreateTexture(renderer, &door_open);
159 doorClosed = CreateTexture(renderer, &door_closed);
160 disk1Icon = CreateTexture(renderer, &disk_icon);
161 disk2Icon = CreateTexture(renderer, &disk_icon);
162 powerOffIcon = CreateTexture(renderer, &power_off);
163 powerOnIcon = CreateTexture(renderer, &power_on);
164 diskSwapIcon = CreateTexture(renderer, &disk_swap);
165 stateSaveIcon = CreateTexture(renderer, &save_state);
166 stateLoadIcon = CreateTexture(renderer, &load_state);
167 configIcon = CreateTexture(renderer, &config);
169 // Set up drive icons in their current states
170 // AssembleDriveIcon(renderer, 0);
171 // AssembleDriveIcon(renderer, 1);
173 if (SDL_SetRenderTarget(renderer, overlay) < 0)
175 WriteLog("GUI: Could not set Render Target to overlay... (%s)\n", SDL_GetError());
179 DrawSidebarIcons(renderer);
180 // Set render target back to default
181 SDL_SetRenderTarget(renderer, NULL);
184 DiskSelector::Init(renderer);
185 DiskSelector::showWindow = true;
187 WriteLog("GUI: Successfully initialized.\n");
191 SDL_Texture * GUI::CreateTexture(SDL_Renderer * renderer, const void * source)
193 Bitmap * bitmap = (Bitmap *)source;
194 SDL_Texture * texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_ABGR8888,
195 // SDL_TEXTUREACCESS_STATIC, bitmap->width, bitmap->height);
196 SDL_TEXTUREACCESS_TARGET, bitmap->width, bitmap->height);
197 SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
198 SDL_UpdateTexture(texture, NULL, (Uint32 *)bitmap->pixelData,
199 bitmap->width * sizeof(Uint32));
205 void GUI::MouseDown(int32_t x, int32_t y, uint32_t buttons)
210 void GUI::MouseUp(int32_t x, int32_t y, uint32_t buttons)
215 void GUI::MouseMove(int32_t x, int32_t y, uint32_t buttons)
217 if (sidebarState != SBS_SHOWN)
221 if (x > SIDEBAR_X_POS)
223 //printf("GUI: sidebar showing (x = %i)...\n", x);
224 sidebarState = SBS_SHOWING;
229 //printf("GUI: sidebar hiding[1] (x = %i)...\n", x);
230 sidebarState = SBS_HIDING;
236 if (x < SIDEBAR_X_POS)
238 iconSelected = lastIconSelected = -1;
239 HandleIconSelection(sdlRenderer);
240 //printf("GUI: sidebar hiding[2] (x = %i)...\n", x);
241 sidebarState = SBS_HIDING;
244 // We're in the right zone, and the sidebar is shown, so let's select
248 if (y < 4 || y > 383)
253 iconSelected = (y - 4) / 54;
255 if (iconSelected != lastIconSelected)
257 HandleIconSelection(sdlRenderer);
258 lastIconSelected = iconSelected;
259 SpawnMessage("%s", iconHelp[iconSelected]);
261 // Show what's in the selected drive
262 if (iconSelected >= 1 && iconSelected <= 2)
264 if (!floppyDrive.IsEmpty(iconSelected - 1))
265 SpawnMessage("\"%s\"", floppyDrive.ImageName(iconSelected - 1));
273 void GUI::HandleIconSelection(SDL_Renderer * renderer)
275 // Set up drive icons in their current states
276 AssembleDriveIcon(renderer, 0);
277 AssembleDriveIcon(renderer, 1);
279 // Reload the background...
280 SDL_UpdateTexture(overlay, NULL, texturePointer, 128 * sizeof(Uint32));
282 if (SDL_SetRenderTarget(renderer, overlay) < 0)
284 WriteLog("GUI: Could not set Render Target to overlay... (%s)\n", SDL_GetError());
288 // Draw the icon selector, if an icon is selected
289 if (iconSelected >= 0)
291 SDL_Rect dst;// = { 54, 54, 24 - 7, 2 };
292 dst.w = dst.h = 54, dst.x = 24 - 7, dst.y = 2 + (iconSelected * 54);
293 SDL_RenderCopy(renderer, iconSelection, NULL, &dst);
296 DrawSidebarIcons(renderer);
298 // Set render target back to default
299 SDL_SetRenderTarget(renderer, NULL);
303 void GUI::AssembleDriveIcon(SDL_Renderer * renderer, int driveNumber)
305 SDL_Texture * drive[2] = { disk1Icon, disk2Icon };
306 const char * number[2] = { numeralOne, numeralTwo };
308 if (SDL_SetRenderTarget(renderer, drive[driveNumber]) < 0)
310 WriteLog("GUI: Could not set Render Target to overlay... (%s)\n", SDL_GetError());
314 SDL_RenderClear(renderer);
315 SDL_RenderCopy(renderer, diskIcon, NULL, NULL);
317 // Drive door @ (16, 7)
319 dst.w = 8, dst.h = 10, dst.x = 16, dst.y = 7;
320 SDL_RenderCopy(renderer, (floppyDrive.IsEmpty(driveNumber) ?
321 doorOpen : doorClosed), NULL, &dst);
323 // Numeral @ (30, 20)
324 DrawCharArray(renderer, number[driveNumber], 30, 20, 7, 7, 0xD0, 0xE0, 0xF0);
325 DrawDriveLight(renderer, driveNumber);
326 DrawEjectButton(renderer, driveNumber);
328 // Set render target back to default
329 SDL_SetRenderTarget(renderer, NULL);
333 void GUI::DrawEjectButton(SDL_Renderer * renderer, int driveNumber)
335 if (floppyDrive.IsEmpty(driveNumber))
338 DrawCharArray(renderer, ejectIcon, 29, 31, 8, 7, 0x00, 0xAA, 0x00);
342 void GUI::DrawDriveLight(SDL_Renderer * renderer, int driveNumber)
344 int lightState = floppyDrive.DriveLightStatus(driveNumber);
345 int r = 0x77, g = 0x00, b = 0x00;
347 if (lightState == DLS_READ)
348 r = 0x20, g = 0xFF, b = 0x20;
349 else if (lightState == DLS_WRITE)
350 r = 0xFF, g = 0x30, b = 0x30;
352 // Drive light @ (8, 21)
353 DrawCharArray(renderer, driveLight, 8, 21, 5, 5, r, g, b);
357 void GUI::DrawCharArray(SDL_Renderer * renderer, const char * array, int x,
358 int y, int w, int h, int r, int g, int b)
360 SDL_SetRenderDrawColor(renderer, r, g, b, 0xFF);
362 for(int j=0; j<h; j++)
364 for(int i=0; i<w; i++)
366 if (array[(j * w) + i] != ' ')
367 SDL_RenderDrawPoint(renderer, x + i, y + j);
371 SDL_SetRenderDrawColor(renderer, 0x00, 0x00, 0x00, 0x00);
375 void GUI::HandleGUIState(void)
379 if (olDst.x < SIDEBAR_X_POS && sidebarState == SBS_SHOWING)
381 olDst.x = SIDEBAR_X_POS;
382 sidebarState = SBS_SHOWN;
385 else if (olDst.x > VIRTUAL_SCREEN_WIDTH && sidebarState == SBS_HIDING)
387 olDst.x = VIRTUAL_SCREEN_WIDTH;
388 sidebarState = SBS_HIDDEN;
394 void GUI::DrawSidebarIcons(SDL_Renderer * renderer)
396 SDL_Texture * icons[7] = { powerOnIcon, disk1Icon, disk2Icon, diskSwapIcon,
397 stateSaveIcon, stateLoadIcon, configIcon };
400 dst.w = dst.h = 40, dst.x = 24, dst.y = 2 + 7;
402 for(int i=0; i<7; i++)
404 SDL_RenderCopy(renderer, icons[i], NULL, &dst);
410 void GUI::Render(SDL_Renderer * renderer)
417 if (sidebarState != SBS_HIDDEN)
418 HandleIconSelection(renderer);
420 SDL_RenderCopy(renderer, overlay, NULL, &olDst);
423 DiskSelector::Render(renderer);
432 cut into 7 pieces give ~54 pix per piece
433 So, let's try 40x40 icons, and see if that's good enough...
436 drive proportions: 1.62 : 1
449 | ^| <-- eject button
470 maybe state save/load