X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fgui.cpp;h=e1bf5c1e15c450344d0d7c532a65f75b8a8f905d;hb=a6be198a4f74f4dd3b1adcf5eb4ed4f9760cc5ee;hp=bf4c30e941d24d5e8a743c13dc1d04199999e9a3;hpb=67a5f1a40072983cf87ae2093ca95c271d14e706;p=virtualjaguar

diff --git a/src/gui.cpp b/src/gui.cpp
index bf4c30e..e1bf5c1 100644
--- a/src/gui.cpp
+++ b/src/gui.cpp
@@ -5,12 +5,22 @@
 // by James L. Hammons
 //
 
-#include <string.h>
+#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)
 {
 }
@@ -19,7 +29,10 @@ void GUIDone(void)
 {
 }
 
-void DrawText(int16 * screen, uint32 x, uint32 y, const char * text, ...)
+//
+// 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, ...)
 {
 	char string[4096];
 	va_list arg;
@@ -28,7 +41,7 @@ void DrawText(int16 * screen, uint32 x, uint32 y, const char * text, ...)
 	vsprintf(string, text, arg);
 	va_end(arg);
 
-	uint32 pitch = TOMGetSDLScreenPitch() / 2;		// Returns pitch in bytes but we need words...
+	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++)
@@ -39,11 +52,140 @@ void DrawText(int16 * screen, uint32 x, uint32 y, const char * text, ...)
 		{
 			for(uint32 xx=0; xx<8; xx++)
 			{
-				if (font1[fontAddr++])
+				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;
+}