//
#include <string.h>
+#include <dirent.h>
+#include <SDL.h>
#include "types.h"
#include "tom.h"
#include "font1.h"
#include "gui.h"
+// Private function prototypes
+
+uint32 CountROMFiles(char * path);
+
+
void InitGUI(void)
{
}
{
}
+//
+// Render the backbuffer to the primary screen surface
+//
+void BlitBackbuffer(void)
+{
+ extern SDL_Surface * surface, * mainSurface;
+ extern int16 * backbuffer;
+
+ if (SDL_MUSTLOCK(surface))
+ while (SDL_LockSurface(surface) < 0)
+ SDL_Delay(10);
+
+ memcpy(surface->pixels, backbuffer, tom_getVideoModeWidth() * tom_getVideoModeHeight() * 2);
+
+ if (SDL_MUSTLOCK(surface))
+ SDL_UnlockSurface(surface);
+
+ SDL_Rect srcrect, dstrect;
+ srcrect.x = srcrect.y = 0, srcrect.w = surface->w, srcrect.h = surface->h;
+ dstrect.x = dstrect.y = 0, dstrect.w = surface->w, dstrect.h = surface->h;
+ SDL_BlitSurface(surface, &srcrect, mainSurface, &dstrect);
+ SDL_Flip(mainSurface);
+}
+
+//
+// Draw text at the given x/y coordinates. Can invert text as well.
+//
void DrawText(int16 * screen, uint32 x, uint32 y, bool invert, const char * text, ...)
{
char string[4096];
address += 8;
}
}
+
+//
+// Very very crude GUI file selector
+//
+bool UserSelectFile(char * path, char * filename)
+{
+ extern int16 * backbuffer;
+ uint32 numFiles = CountROMFiles(path);
+
+ if (numFiles == 0)
+ return false;
+
+ char * names = (char *)malloc(numFiles * 2048);
+
+ if (names == NULL)
+ {
+ WriteLog("Could not allocate memory for %u files!\nAborting!\n", numFiles);
+ return false;
+ }
+
+ int i = 0;
+ DIR * dp = opendir(path);
+ dirent * de;
+
+ while ((de = readdir(dp)) != NULL)
+ {
+ char * ext = strrchr(de->d_name, '.');
+ if (ext != NULL)
+ if (strcmpi(ext, ".zip") == 0 || strcmpi(ext, ".jag") == 0)
+ strcpy(&names[i++ * 2048], de->d_name);
+ }
+
+ closedir(dp);
+
+ // Main GUI selection loop
+
+ uint32 cursor = 0, startFile = 0;
+
+ if (numFiles > 1) // Only go GUI if more than one possibility!
+ {
+ bool done = false;
+ uint32 limit = (numFiles > 24 ? 24 : numFiles);
+ 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);
+ char buf[41];
+ // Guarantee that we clip our strings to fit in the screen...
+ memcpy(buf, &names[(startFile + i) * 2048], 38);
+ buf[38] = 0;
+ DrawText(backbuffer, 0, i*8, invert, " %s ", buf);
+ }
+
+ BlitBackbuffer();
+
+ 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 != numFiles - 1)
+ startFile++;
+ }
+ }
+ if (key == SDLK_UP)
+ {
+ if (cursor != 0)
+ cursor--;
+ else
+ {
+ if (startFile != 0)
+ startFile--;
+ }
+ }
+ if (key == SDLK_RETURN)
+ done = true;
+ if (key == SDLK_ESCAPE)
+ {
+ WriteLog("GUI: Aborting VJ by user request.\n");
+ return false; // Bail out!
+ }
+ }
+ }
+ }
+ }
+
+ strcpy(filename, path);
+ // Potential GPF here: If length of dir is zero, then this will cause a page fault!
+ if (path[strlen(path) - 1] != '/')
+ strcat(filename, "/");
+ strcat(filename, &names[(cursor + startFile) * 2048]);
+ free(names);
+
+ return true;
+}
+
+//
+// Count # of possible ROM files in the current directory
+//
+uint32 CountROMFiles(char * path)
+{
+ uint32 numFiles = 0;
+ DIR * dp = opendir(path);
+
+ if (dp == NULL)
+ {
+ WriteLog("VJ: Could not open directory \"%s\"!\nAborting!\n", path);
+ return 0;
+ }
+ else
+ {
+ dirent * de;
+
+ while ((de = readdir(dp)) != NULL)
+ {
+ char * ext = strrchr(de->d_name, '.');
+ if (ext != NULL)
+ if (strcmpi(ext, ".zip") == 0 || strcmpi(ext, ".jag") == 0)
+ numFiles++;
+ }
+
+ closedir(dp);
+ }
+
+ return numFiles;
+}
projects / virtualjaguar / blobdiff