]> Shamusworld >> Repos - virtualjaguar/blobdiff - src/gui.cpp
Added configurable key settings
[virtualjaguar] / src / gui.cpp
index 17e522c9b7074ee6ed8ef272450c393f5ec42850..e1bf5c1e15c450344d0d7c532a65f75b8a8f905d 100644 (file)
@@ -5,10 +5,22 @@
 // by James L. Hammons
 //
 
+#include <dirent.h>
+#include <SDL.h>
+#include <string>
+#include <vector>
+#include <algorithm>
 #include "types.h"
 #include "tom.h"
+#include "video.h"
+#include "font1.h"
 #include "gui.h"
 
+using namespace std;                                                           // For STL stuff
+
+// Private function prototypes
+
+
 void InitGUI(void)
 {
 }
@@ -17,7 +29,163 @@ void GUIDone(void)
 {
 }
 
-void DrawText(uint16 * screen, uint32 x, uint32 y, const char * string)
+//
+// Draw text at the given x/y coordinates. Can invert text as well.
+//
+void DrawString(int16 * screen, uint32 x, uint32 y, bool invert, const char * text, ...)
 {
-       uint32 pitch = TOMGetSDLScreenPitch();
+       char string[4096];
+       va_list arg;
+
+       va_start(arg, text);
+       vsprintf(string, text, arg);
+       va_end(arg);
+
+       uint32 pitch = GetSDLScreenPitch() / 2;                 // Returns pitch in bytes but we need words...
+       uint32 length = strlen(string), address = x + (y * pitch);
+
+       for(uint32 i=0; i<length; i++)
+       {
+               uint32 fontAddr = (uint32)string[i] * 64;
+
+               for(uint32 yy=0; yy<8; yy++)
+               {
+                       for(uint32 xx=0; xx<8; xx++)
+                       {
+                               if ((font1[fontAddr] && !invert) || (!font1[fontAddr] && invert))
+                                       *(screen + address + xx + (yy * pitch)) = 0xFE00;
+                               fontAddr++;
+                       }
+               }
+
+               address += 8;
+       }
+}
+
+//
+// Very very crude GUI file selector
+//
+bool UserSelectFile(char * path, char * filename)
+{
+       extern int16 * backbuffer;
+       vector<string> fileList;
+
+       // Read in the candidate files from the directory pointed to by "path"
+
+       DIR * dp = opendir(path);
+       dirent * de;
+
+       while ((de = readdir(dp)) != NULL)
+       {
+               char * ext = strrchr(de->d_name, '.');
+
+               if (ext != NULL)
+                       if (stricmp(ext, ".zip") == 0 || stricmp(ext, ".jag") == 0)
+                               fileList.push_back(string(de->d_name));
+       }
+
+       closedir(dp);
+
+       // Main GUI selection loop
+
+       uint32 cursor = 0, startFile = 0;
+
+       if (fileList.size() > 1)        // Only go GUI if more than one possibility!
+       {
+               sort(fileList.begin(), fileList.end());
+
+               bool done = false;
+               uint32 limit = (fileList.size() > 24 ? 24 : fileList.size());
+               SDL_Event event;
+
+               while (!done)
+               {
+                       while (SDL_PollEvent(&event))
+                       {
+                               // Draw the GUI...
+                               memset(backbuffer, 0x11, tom_getVideoModeWidth() * tom_getVideoModeHeight() * 2);
+
+                               for(uint32 i=0; i<limit; i++)
+                               {
+                                       bool invert = (cursor == i ? true : false);
+                                       // Clip our strings to guarantee that they fit on the screen...
+                                       string s = fileList[startFile + i];
+                                       if (s.length() > 38)
+                                               s[38] = 0;
+                                       DrawString(backbuffer, 0, i*8, invert, " %s ", s.c_str());
+                               }
+
+                               RenderBackbuffer();
+
+                               if (event.type == SDL_KEYDOWN)
+                               {
+                                       SDLKey key = event.key.keysym.sym;
+
+                                       if (key == SDLK_DOWN)
+                                       {
+                                               if (cursor != limit - 1)        // Cursor is within its window
+                                                       cursor++;
+                                               else                                            // Otherwise, scroll the window...
+                                               {
+                                                       if (cursor + startFile != fileList.size() - 1)
+                                                               startFile++;
+                                               }
+                                       }
+                                       if (key == SDLK_UP)
+                                       {
+                                               if (cursor != 0)
+                                                       cursor--;
+                                               else
+                                               {
+                                                       if (startFile != 0)
+                                                               startFile--;
+                                               }
+                                       }
+                                       if (key == SDLK_PAGEDOWN)
+                                       {
+                                       }
+                                       if (key == SDLK_PAGEUP)
+                                       {
+                                       }
+                                       if (key == SDLK_RETURN)
+                                               done = true;
+                                       if (key == SDLK_ESCAPE)
+                                       {
+                                               WriteLog("GUI: Aborting VJ by user request.\n");
+                                               return false;                                           // Bail out!
+                                       }
+                                       if (key >= SDLK_a && key <= SDLK_z)
+                                       {
+                                               // Advance cursor to filename with first letter pressed...
+                                               uint8 which = (key - SDLK_a) + 65;      // Convert key to A-Z char
+
+                                               for(uint32 i=0; i<fileList.size(); i++)
+                                               {
+                                                       if ((fileList[i][0] & 0xDF) == which)
+                                                       {
+                                                               cursor = i - startFile;
+                                                               if (i > startFile + limit - 1)
+                                                                       startFile = i - limit + 1,
+                                                                       cursor = limit - 1;
+                                                               if (i < startFile)
+                                                                       startFile = i,
+                                                                       cursor = 0;
+                                                               break;
+                                                       }
+                                               }
+                                       }
+                               }
+                       }
+               }
+       }
+
+       strcpy(filename, path);
+
+       if (strlen(path) > 0)
+               if (path[strlen(path) - 1] != '/')
+                       strcat(filename, "/");
+
+       strcat(filename, fileList[startFile + cursor].c_str());
+
+       return true;
 }