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 bool GUI::powerOnState = true;
102 int32_t lastIconSelected = -1;
103 SDL_Texture * iconSelection = NULL;
104 SDL_Texture * diskIcon = NULL;
105 SDL_Texture * disk1Icon = NULL;
106 SDL_Texture * disk2Icon = NULL;
107 SDL_Texture * powerOnIcon = NULL;
108 SDL_Texture * powerOffIcon = NULL;
109 SDL_Texture * diskSwapIcon = NULL;
110 SDL_Texture * stateSaveIcon = NULL;
111 SDL_Texture * stateLoadIcon = NULL;
112 SDL_Texture * configIcon = NULL;
113 SDL_Texture * doorOpen = NULL;
114 SDL_Texture * doorClosed = NULL;
115 uint32_t texturePointer[128 * 380];
116 const char iconHelp[7][80] = { "Turn emulated Apple off/on",
117 "Insert floppy image into drive #1", "Insert floppy image into drive #2",
118 "Swap disks", "Save emulator state", "Load emulator state",
119 "Configure Apple2" };
120 bool disk1EjectHovered = false;
121 bool disk2EjectHovered = false;
124 #define SIDEBAR_X_POS (VIRTUAL_SCREEN_WIDTH - 80)
137 void GUI::Init(SDL_Renderer * renderer)
139 overlay = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_ABGR8888,
140 SDL_TEXTUREACCESS_TARGET, 128, 380);
144 WriteLog("GUI: Could not create overlay!\n");
148 if (SDL_SetTextureBlendMode(overlay, SDL_BLENDMODE_BLEND) == -1)
149 WriteLog("GUI: Could not set blend mode for overlay.\n");
151 for(uint32_t i=0; i<128*380; i++)
152 texturePointer[i] = 0xB0A000A0;
154 SDL_UpdateTexture(overlay, NULL, texturePointer, 128 * sizeof(Uint32));
156 olDst.x = VIRTUAL_SCREEN_WIDTH;
161 iconSelection = CreateTexture(renderer, &icon_selection);
162 diskIcon = CreateTexture(renderer, &disk_icon);
163 doorOpen = CreateTexture(renderer, &door_open);
164 doorClosed = CreateTexture(renderer, &door_closed);
165 disk1Icon = CreateTexture(renderer, &disk_icon);
166 disk2Icon = CreateTexture(renderer, &disk_icon);
167 powerOffIcon = CreateTexture(renderer, &power_off);
168 powerOnIcon = CreateTexture(renderer, &power_on);
169 diskSwapIcon = CreateTexture(renderer, &disk_swap);
170 stateSaveIcon = CreateTexture(renderer, &save_state);
171 stateLoadIcon = CreateTexture(renderer, &load_state);
172 configIcon = CreateTexture(renderer, &config);
174 // Set up drive icons in their current states
175 // AssembleDriveIcon(renderer, 0);
176 // AssembleDriveIcon(renderer, 1);
178 if (SDL_SetRenderTarget(renderer, overlay) < 0)
180 WriteLog("GUI: Could not set Render Target to overlay... (%s)\n", SDL_GetError());
184 DrawSidebarIcons(renderer);
185 // Set render target back to default
186 SDL_SetRenderTarget(renderer, NULL);
189 DiskSelector::Init(renderer);
190 DiskSelector::showWindow = true;
192 WriteLog("GUI: Successfully initialized.\n");
196 SDL_Texture * GUI::CreateTexture(SDL_Renderer * renderer, const void * source)
198 Bitmap * bitmap = (Bitmap *)source;
199 SDL_Texture * texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_ABGR8888,
200 // SDL_TEXTUREACCESS_STATIC, bitmap->width, bitmap->height);
201 SDL_TEXTUREACCESS_TARGET, bitmap->width, bitmap->height);
202 SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
203 SDL_UpdateTexture(texture, NULL, (Uint32 *)bitmap->pixelData,
204 bitmap->width * sizeof(Uint32));
210 void GUI::MouseDown(int32_t x, int32_t y, uint32_t buttons)
212 if (sidebarState != SBS_SHOWN)
217 switch (iconSelected)
221 powerOnState = !powerOnState;
225 SpawnMessage("*** POWER OFF ***");
230 SpawnMessage("*** DISK #1 ***");
232 if (disk1EjectHovered && !floppyDrive.IsEmpty(0))
233 SpawnMessage("*** EJECT DISK #1 ***");
238 SpawnMessage("*** DISK #2 ***");
240 if (disk2EjectHovered && !floppyDrive.IsEmpty(1))
241 SpawnMessage("*** EJECT DISK #2 ***");
246 SpawnMessage("*** SWAP DISKS ***");
250 SpawnMessage("*** SAVE STATE ***");
254 SpawnMessage("*** LOAD STATE ***");
258 SpawnMessage("*** CONFIGURATION ***");
264 void GUI::MouseUp(int32_t x, int32_t y, uint32_t buttons)
269 void GUI::MouseMove(int32_t x, int32_t y, uint32_t buttons)
271 if (sidebarState != SBS_SHOWN)
275 if (x > SIDEBAR_X_POS)
277 //printf("GUI: sidebar showing (x = %i)...\n", x);
278 sidebarState = SBS_SHOWING;
283 //printf("GUI: sidebar hiding[1] (x = %i)...\n", x);
284 sidebarState = SBS_HIDING;
290 if (x < SIDEBAR_X_POS)
292 iconSelected = lastIconSelected = -1;
293 HandleIconSelection(sdlRenderer);
294 //printf("GUI: sidebar hiding[2] (x = %i)...\n", x);
295 sidebarState = SBS_HIDING;
298 // We're in the right zone, and the sidebar is shown, so let's select
302 if (y < 4 || y > 383)
307 iconSelected = (y - 4) / 54;
309 // It's y+2 because the sidebar sits at (SIDEBAR_X_POS, 2)
310 disk1EjectHovered = ((x >= (SIDEBAR_X_POS + 24 + 29))
311 && (x < (SIDEBAR_X_POS + 24 + 29 + 8))
312 && (y >= (63 + 31 + 2))
313 && (y < (63 + 31 + 2 + 7)) ? true : false);
315 disk2EjectHovered = ((x >= (SIDEBAR_X_POS + 24 + 29))
316 && (x < (SIDEBAR_X_POS + 24 + 29 + 8))
317 && (y >= (117 + 31 + 2))
318 && (y < (117 + 31 + 2 + 7)) ? true : false);
320 if (iconSelected != lastIconSelected)
322 HandleIconSelection(sdlRenderer);
323 lastIconSelected = iconSelected;
324 SpawnMessage("%s", iconHelp[iconSelected]);
326 // Show what's in the selected drive
327 if (iconSelected >= 1 && iconSelected <= 2)
329 if (!floppyDrive.IsEmpty(iconSelected - 1))
330 SpawnMessage("\"%s\"", floppyDrive.ImageName(iconSelected - 1));
338 void GUI::HandleIconSelection(SDL_Renderer * renderer)
340 // Set up drive icons in their current states
341 AssembleDriveIcon(renderer, 0);
342 AssembleDriveIcon(renderer, 1);
344 // Reload the background...
345 SDL_UpdateTexture(overlay, NULL, texturePointer, 128 * sizeof(Uint32));
347 if (SDL_SetRenderTarget(renderer, overlay) < 0)
349 WriteLog("GUI: Could not set Render Target to overlay... (%s)\n", SDL_GetError());
353 // Draw the icon selector, if an icon is selected
354 if (iconSelected >= 0)
356 SDL_Rect dst;// = { 54, 54, 24 - 7, 2 };
357 dst.w = dst.h = 54, dst.x = 24 - 7, dst.y = 2 + (iconSelected * 54);
358 SDL_RenderCopy(renderer, iconSelection, NULL, &dst);
361 DrawSidebarIcons(renderer);
363 // Set render target back to default
364 SDL_SetRenderTarget(renderer, NULL);
368 void GUI::AssembleDriveIcon(SDL_Renderer * renderer, int driveNumber)
370 SDL_Texture * drive[2] = { disk1Icon, disk2Icon };
371 const char * number[2] = { numeralOne, numeralTwo };
373 if (SDL_SetRenderTarget(renderer, drive[driveNumber]) < 0)
375 WriteLog("GUI: Could not set Render Target to overlay... (%s)\n", SDL_GetError());
379 SDL_RenderClear(renderer);
380 SDL_RenderCopy(renderer, diskIcon, NULL, NULL);
382 // Drive door @ (16, 7)
384 dst.w = 8, dst.h = 10, dst.x = 16, dst.y = 7;
385 SDL_RenderCopy(renderer, (floppyDrive.IsEmpty(driveNumber) ?
386 doorOpen : doorClosed), NULL, &dst);
388 // Numeral @ (30, 20)
389 DrawCharArray(renderer, number[driveNumber], 30, 20, 7, 7, 0xD0, 0xE0, 0xF0);
390 DrawDriveLight(renderer, driveNumber);
391 DrawEjectButton(renderer, driveNumber);
393 // Set render target back to default
394 SDL_SetRenderTarget(renderer, NULL);
398 void GUI::DrawEjectButton(SDL_Renderer * renderer, int driveNumber)
400 if (floppyDrive.IsEmpty(driveNumber))
403 uint8_t r = 0x00, g = 0xAA, b = 0x00;
405 if ((driveNumber == 0 && disk1EjectHovered)
406 || (driveNumber == 1 && disk2EjectHovered))
407 r = 0x20, g = 0xFF, b = 0x20;
409 // DrawCharArray(renderer, ejectIcon, 29, 31, 8, 7, 0x00, 0xAA, 0x00);
410 DrawCharArray(renderer, ejectIcon, 29, 31, 8, 7, r, g, b);
414 void GUI::DrawDriveLight(SDL_Renderer * renderer, int driveNumber)
416 int lightState = floppyDrive.DriveLightStatus(driveNumber);
417 int r = 0x77, g = 0x00, b = 0x00;
419 if (lightState == DLS_READ)
420 r = 0x20, g = 0xFF, b = 0x20;
421 else if (lightState == DLS_WRITE)
422 r = 0xFF, g = 0x30, b = 0x30;
424 // Drive light @ (8, 21)
425 DrawCharArray(renderer, driveLight, 8, 21, 5, 5, r, g, b);
429 void GUI::DrawCharArray(SDL_Renderer * renderer, const char * array, int x,
430 int y, int w, int h, int r, int g, int b)
432 SDL_SetRenderDrawColor(renderer, r, g, b, 0xFF);
434 for(int j=0; j<h; j++)
436 for(int i=0; i<w; i++)
438 if (array[(j * w) + i] != ' ')
439 SDL_RenderDrawPoint(renderer, x + i, y + j);
443 SDL_SetRenderDrawColor(renderer, 0x00, 0x00, 0x00, 0x00);
447 void GUI::HandleGUIState(void)
451 if (olDst.x < SIDEBAR_X_POS && sidebarState == SBS_SHOWING)
453 olDst.x = SIDEBAR_X_POS;
454 sidebarState = SBS_SHOWN;
457 else if (olDst.x > VIRTUAL_SCREEN_WIDTH && sidebarState == SBS_HIDING)
459 olDst.x = VIRTUAL_SCREEN_WIDTH;
460 sidebarState = SBS_HIDDEN;
466 void GUI::DrawSidebarIcons(SDL_Renderer * renderer)
468 SDL_Texture * icons[7] = { powerOnIcon, disk1Icon, disk2Icon, diskSwapIcon,
469 stateSaveIcon, stateLoadIcon, configIcon };
471 icons[0] = (powerOnState ? powerOnIcon : powerOffIcon);
474 dst.w = dst.h = 40, dst.x = 24, dst.y = 2 + 7;
476 for(int i=0; i<7; i++)
478 SDL_RenderCopy(renderer, icons[i], NULL, &dst);
484 void GUI::Render(SDL_Renderer * renderer)
491 if (sidebarState != SBS_HIDDEN)
492 HandleIconSelection(renderer);
494 SDL_RenderCopy(renderer, overlay, NULL, &olDst);
497 DiskSelector::Render(renderer);
506 cut into 7 pieces give ~54 pix per piece
507 So, let's try 40x40 icons, and see if that's good enough...
510 drive proportions: 1.62 : 1
523 | ^| <-- eject button
544 maybe state save/load