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 "diskselector.h"
29 // Icons, in GIMP "C" format
30 #include "gfx/icon-selection.c"
31 #include "gfx/disk-icon.c"
32 #include "gfx/power-off-icon.c"
33 #include "gfx/power-on-icon.c"
34 #include "gfx/disk-swap-icon.c"
35 #include "gfx/disk-door-open.c"
36 #include "gfx/disk-door-closed.c"
37 #include "gfx/save-state-icon.c"
38 #include "gfx/load-state-icon.c"
39 #include "gfx/config-icon.c"
42 // Okay, this is ugly but works and I can't think of any better way to handle
43 // this. So what we do when we pass the GIMP bitmaps into a function is pass
44 // them as a (void *) and then cast them as type (Bitmap *) in order to use
45 // them. Yes, it's ugly. Come up with something better!
50 unsigned int bytesPerPixel; // 3:RGB, 4:RGBA
51 unsigned char pixelData[];
55 const char numeralOne[(7 * 7) + 1] =
64 const char numeralTwo[(7 * 7) + 1] =
73 const char ejectIcon[(8 * 7) + 1] =
82 const char driveLight[(5 * 5) + 1] =
91 SDL_Texture * GUI::overlay = NULL;
93 int GUI::sidebarState = SBS_HIDDEN;
95 int32_t GUI::iconSelected = -1;
96 bool GUI::hasKeyboardFocus = false;
97 bool GUI::powerOnState = true;
99 int32_t lastIconSelected = -1;
100 SDL_Texture * iconSelection = NULL;
101 SDL_Texture * diskIcon = NULL;
102 SDL_Texture * disk1Icon = NULL;
103 SDL_Texture * disk2Icon = NULL;
104 SDL_Texture * powerOnIcon = NULL;
105 SDL_Texture * powerOffIcon = NULL;
106 SDL_Texture * diskSwapIcon = NULL;
107 SDL_Texture * stateSaveIcon = NULL;
108 SDL_Texture * stateLoadIcon = NULL;
109 SDL_Texture * configIcon = NULL;
110 SDL_Texture * doorOpen = NULL;
111 SDL_Texture * doorClosed = NULL;
112 uint32_t texturePointer[128 * 380];
113 const char iconHelp[7][80] = { "Turn emulated Apple off/on",
114 "Insert floppy image into drive #1", "Insert floppy image into drive #2",
115 "Swap disks", "Save emulator state", "Load emulator state",
116 "Configure Apple2" };
117 bool disk1EjectHovered = false;
118 bool disk2EjectHovered = false;
121 #define SIDEBAR_X_POS (VIRTUAL_SCREEN_WIDTH - 80)
134 void GUI::Init(SDL_Renderer * renderer)
136 overlay = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_ABGR8888,
137 SDL_TEXTUREACCESS_TARGET, 128, 380);
141 WriteLog("GUI: Could not create overlay!\n");
145 if (SDL_SetTextureBlendMode(overlay, SDL_BLENDMODE_BLEND) == -1)
146 WriteLog("GUI: Could not set blend mode for overlay.\n");
148 for(uint32_t i=0; i<128*380; i++)
149 texturePointer[i] = 0xB0A000A0;
151 SDL_UpdateTexture(overlay, NULL, texturePointer, 128 * sizeof(Uint32));
153 olDst.x = VIRTUAL_SCREEN_WIDTH;
158 iconSelection = CreateTexture(renderer, &icon_selection);
159 diskIcon = CreateTexture(renderer, &disk_icon);
160 doorOpen = CreateTexture(renderer, &door_open);
161 doorClosed = CreateTexture(renderer, &door_closed);
162 disk1Icon = CreateTexture(renderer, &disk_icon);
163 disk2Icon = CreateTexture(renderer, &disk_icon);
164 powerOffIcon = CreateTexture(renderer, &power_off);
165 powerOnIcon = CreateTexture(renderer, &power_on);
166 diskSwapIcon = CreateTexture(renderer, &disk_swap);
167 stateSaveIcon = CreateTexture(renderer, &save_state);
168 stateLoadIcon = CreateTexture(renderer, &load_state);
169 configIcon = CreateTexture(renderer, &config);
171 // Set up drive icons in their current states
172 // AssembleDriveIcon(renderer, 0);
173 // AssembleDriveIcon(renderer, 1);
175 if (SDL_SetRenderTarget(renderer, overlay) < 0)
177 WriteLog("GUI: Could not set Render Target to overlay... (%s)\n", SDL_GetError());
181 DrawSidebarIcons(renderer);
182 // Set render target back to default
183 SDL_SetRenderTarget(renderer, NULL);
186 DiskSelector::Init(renderer);
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)
207 DiskSelector::MouseDown(x, y, buttons);
209 if (sidebarState != SBS_SHOWN)
212 switch (iconSelected)
216 powerOnState = !powerOnState;
220 SpawnMessage("*** POWER OFF ***");
225 SpawnMessage("*** DISK #1 ***");
227 if (disk1EjectHovered && !floppyDrive.IsEmpty(0))
229 floppyDrive.EjectImage(0);
230 SpawnMessage("*** DISK #1 EJECTED ***");
233 if (!disk1EjectHovered)
235 // Load the disk selector
236 DiskSelector::ShowWindow(0);
242 SpawnMessage("*** DISK #2 ***");
244 if (disk2EjectHovered && !floppyDrive.IsEmpty(1))
246 floppyDrive.EjectImage(1);
247 SpawnMessage("*** DISK #2 EJECTED ***");
250 if (!disk2EjectHovered)
252 // Load the disk selector
253 DiskSelector::ShowWindow(1);
259 floppyDrive.SwapImages();
260 SpawnMessage("*** DISKS SWAPPED ***");
264 SpawnMessage("*** SAVE STATE ***");
268 SpawnMessage("*** LOAD STATE ***");
272 SpawnMessage("*** CONFIGURATION ***");
278 void GUI::MouseUp(int32_t x, int32_t y, uint32_t buttons)
280 DiskSelector::MouseUp(x, y, buttons);
284 void GUI::MouseMove(int32_t x, int32_t y, uint32_t buttons)
286 DiskSelector::MouseMove(x, y, buttons);
288 if (sidebarState != SBS_SHOWN)
292 if (x > SIDEBAR_X_POS)
294 //printf("GUI: sidebar showing (x = %i)...\n", x);
295 sidebarState = SBS_SHOWING;
300 //printf("GUI: sidebar hiding[1] (x = %i)...\n", x);
301 sidebarState = SBS_HIDING;
307 if (x < SIDEBAR_X_POS)
309 iconSelected = lastIconSelected = -1;
310 HandleIconSelection(sdlRenderer);
311 //printf("GUI: sidebar hiding[2] (x = %i)...\n", x);
312 sidebarState = SBS_HIDING;
315 // We're in the right zone, and the sidebar is shown, so let's select
319 if (y < 4 || y > 383)
324 iconSelected = (y - 4) / 54;
326 // It's y+2 because the sidebar sits at (SIDEBAR_X_POS, 2)
327 disk1EjectHovered = ((x >= (SIDEBAR_X_POS + 24 + 29))
328 && (x < (SIDEBAR_X_POS + 24 + 29 + 8))
329 && (y >= (63 + 31 + 2))
330 && (y < (63 + 31 + 2 + 7)) ? true : false);
332 disk2EjectHovered = ((x >= (SIDEBAR_X_POS + 24 + 29))
333 && (x < (SIDEBAR_X_POS + 24 + 29 + 8))
334 && (y >= (117 + 31 + 2))
335 && (y < (117 + 31 + 2 + 7)) ? true : false);
337 if (iconSelected != lastIconSelected)
339 HandleIconSelection(sdlRenderer);
340 lastIconSelected = iconSelected;
342 if ((iconSelected >= 0) && (iconSelected <= 6))
343 SpawnMessage("%s", iconHelp[iconSelected]);
345 // Show what's in the selected drive
346 if (iconSelected >= 1 && iconSelected <= 2)
348 if (!floppyDrive.IsEmpty(iconSelected - 1))
349 SpawnMessage("\"%s\"", floppyDrive.ImageName(iconSelected - 1));
357 void GUI::HandleIconSelection(SDL_Renderer * renderer)
359 // Set up drive icons in their current states
360 AssembleDriveIcon(renderer, 0);
361 AssembleDriveIcon(renderer, 1);
363 // Reload the background...
364 SDL_UpdateTexture(overlay, NULL, texturePointer, 128 * sizeof(Uint32));
366 if (SDL_SetRenderTarget(renderer, overlay) < 0)
368 WriteLog("GUI: Could not set Render Target to overlay... (%s)\n", SDL_GetError());
372 // Draw the icon selector, if an icon is selected
373 if (iconSelected >= 0)
375 SDL_Rect dst;// = { 54, 54, 24 - 7, 2 };
376 dst.w = dst.h = 54, dst.x = 24 - 7, dst.y = 2 + (iconSelected * 54);
377 SDL_RenderCopy(renderer, iconSelection, NULL, &dst);
380 DrawSidebarIcons(renderer);
382 // Set render target back to default
383 SDL_SetRenderTarget(renderer, NULL);
387 void GUI::AssembleDriveIcon(SDL_Renderer * renderer, int driveNumber)
389 SDL_Texture * drive[2] = { disk1Icon, disk2Icon };
390 const char * number[2] = { numeralOne, numeralTwo };
392 if (SDL_SetRenderTarget(renderer, drive[driveNumber]) < 0)
394 WriteLog("GUI: Could not set Render Target to overlay... (%s)\n", SDL_GetError());
398 SDL_RenderClear(renderer);
399 SDL_RenderCopy(renderer, diskIcon, NULL, NULL);
401 // Drive door @ (16, 7)
403 dst.w = 8, dst.h = 10, dst.x = 16, dst.y = 7;
404 SDL_RenderCopy(renderer, (floppyDrive.IsEmpty(driveNumber) ?
405 doorOpen : doorClosed), NULL, &dst);
407 // Numeral @ (30, 20)
408 DrawCharArray(renderer, number[driveNumber], 30, 20, 7, 7, 0xD0, 0xE0, 0xF0);
409 DrawDriveLight(renderer, driveNumber);
410 DrawEjectButton(renderer, driveNumber);
412 // Set render target back to default
413 SDL_SetRenderTarget(renderer, NULL);
417 void GUI::DrawEjectButton(SDL_Renderer * renderer, int driveNumber)
419 if (floppyDrive.IsEmpty(driveNumber))
422 uint8_t r = 0x00, g = 0xAA, b = 0x00;
424 if ((driveNumber == 0 && disk1EjectHovered)
425 || (driveNumber == 1 && disk2EjectHovered))
426 r = 0x20, g = 0xFF, b = 0x20;
428 DrawCharArray(renderer, ejectIcon, 29, 31, 8, 7, r, g, b);
432 void GUI::DrawDriveLight(SDL_Renderer * renderer, int driveNumber)
434 int lightState = floppyDrive.DriveLightStatus(driveNumber);
435 int r = 0x77, g = 0x00, b = 0x00;
437 if (lightState == DLS_READ)
438 r = 0x20, g = 0xFF, b = 0x20;
439 else if (lightState == DLS_WRITE)
440 r = 0xFF, g = 0x30, b = 0x30;
442 // Drive light @ (8, 21)
443 DrawCharArray(renderer, driveLight, 8, 21, 5, 5, r, g, b);
447 void GUI::DrawCharArray(SDL_Renderer * renderer, const char * array, int x,
448 int y, int w, int h, int r, int g, int b)
450 SDL_SetRenderDrawColor(renderer, r, g, b, 0xFF);
452 for(int j=0; j<h; j++)
454 for(int i=0; i<w; i++)
456 if (array[(j * w) + i] != ' ')
457 SDL_RenderDrawPoint(renderer, x + i, y + j);
461 SDL_SetRenderDrawColor(renderer, 0x00, 0x00, 0x00, 0x00);
465 void GUI::HandleGUIState(void)
469 if (olDst.x < SIDEBAR_X_POS && sidebarState == SBS_SHOWING)
471 olDst.x = SIDEBAR_X_POS;
472 sidebarState = SBS_SHOWN;
475 else if (olDst.x > VIRTUAL_SCREEN_WIDTH && sidebarState == SBS_HIDING)
477 olDst.x = VIRTUAL_SCREEN_WIDTH;
478 sidebarState = SBS_HIDDEN;
484 void GUI::DrawSidebarIcons(SDL_Renderer * renderer)
486 SDL_Texture * icons[7] = { powerOnIcon, disk1Icon, disk2Icon, diskSwapIcon,
487 stateSaveIcon, stateLoadIcon, configIcon };
489 icons[0] = (powerOnState ? powerOnIcon : powerOffIcon);
490 SDL_Rect dst = { 24, 2 + 7, 40, 40 };
492 for(int i=0; i<7; i++)
494 SDL_RenderCopy(renderer, icons[i], NULL, &dst);
500 void GUI::Render(SDL_Renderer * renderer)
507 if (sidebarState != SBS_HIDDEN)
508 HandleIconSelection(renderer);
510 SDL_RenderCopy(renderer, overlay, NULL, &olDst);
513 DiskSelector::Render(renderer);
522 cut into 7 pieces give ~54 pix per piece
523 So, let's try 40x40 icons, and see if that's good enough...
526 drive proportions: 1.62 : 1
539 | ^| <-- eject button
560 maybe state save/load