X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fgui.cpp;h=404af7e4f481fbf71ebdf01686c64bc9e3bb0830;hb=007583184c38430a9642ed2d71624141e8cd4f7a;hp=17e522c9b7074ee6ed8ef272450c393f5ec42850;hpb=99461abfcbc562e740a5e0900167ece9a4a5a035;p=virtualjaguar

diff --git a/src/gui.cpp b/src/gui.cpp
index 17e522c..404af7e 100644
--- a/src/gui.cpp
+++ b/src/gui.cpp
@@ -5,19 +5,281 @@
 // by James L. Hammons
 //
 
+#include <dirent.h>
+#include <SDL.h>
+#include <string>
+#include <vector>
+#include <algorithm>
 #include "types.h"
+#include "settings.h"
 #include "tom.h"
+#include "video.h"
+#include "font1.h"
 #include "gui.h"
 
+using namespace std;								// For STL stuff
+
+// Private function prototypes
+
+// Local global variables
+
+int mouseX, mouseY;
+
+uint16 mousePic[] = {
+	6, 8,
+
+	0x03E0,0x0000,0x0000,0x0000,0x0000,0x0000,		// +
+	0x0300,0x03E0,0x0000,0x0000,0x0000,0x0000,		// @+
+	0x0300,0x03E0,0x03E0,0x0000,0x0000,0x0000,		// @++
+	0x0300,0x0300,0x03E0,0x03E0,0x0000,0x0000,		// @@++
+	0x0300,0x0300,0x03E0,0x03E0,0x03E0,0x0000,		// @@+++
+	0x0300,0x0300,0x0300,0x03E0,0x03E0,0x03E0,		// @@@+++
+	0x0300,0x0300,0x0300,0x0000,0x0000,0x0000,		// @@@
+	0x0300,0x0000,0x0000,0x0000,0x0000,0x0000		// @
+/*
+	0xFFFF,0x0000,0x0000,0x0000,0x0000,0x0000,		// +
+	0xE318,0xFFFF,0x0000,0x0000,0x0000,0x0000,		// @+
+	0xE318,0xFFFF,0xFFFF,0x0000,0x0000,0x0000,		// @++
+	0xE318,0xE318,0xFFFF,0xFFFF,0x0000,0x0000,		// @@++
+	0xE318,0xE318,0xFFFF,0xFFFF,0xFFFF,0x0000,		// @@+++
+	0xE318,0xE318,0xE318,0xFFFF,0xFFFF,0xFFFF,		// @@@+++
+	0xE318,0xE318,0xE318,0x0000,0x0000,0x0000,		// @@@
+	0xE318,0x0000,0x0000,0x0000,0x0000,0x0000		// @
+*/
+};
+// 1 111 00 11 100 1 1100 -> F39C
+// 1 100 00 10 000 1 0000 -> C210
+// 1 110 00 11 000 1 1000 -> E318
+// 0 000 00 11 111 0 0000 -> 03E0
+// 0 000 00 11 000 0 0000 -> 0300
+
 void InitGUI(void)
 {
+	SDL_ShowCursor(SDL_DISABLE);
+	SDL_GetMouseState(&mouseX, &mouseY);
 }
 
 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, ...)
+{
+	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;
+	}
+}
+
+//
+// Draw "picture"
+// Uses zero as transparent color
+//
+void DrawTransparentBitmap(int16 * screen, uint32 x, uint32 y, uint16 * bitmap)
+{
+	uint16 width = bitmap[0], height = bitmap[1];
+	bitmap += 2;
+
+	uint32 pitch = GetSDLScreenPitch() / 2;			// Returns pitch in bytes but we need words...
+	uint32 address = x + (y * pitch);
+
+	for(int yy=0; yy<height; yy++)
+	{
+		for(int xx=0; xx<width; xx++)
+		{
+				if (*bitmap && x + xx < pitch)		// NOTE: Still doesn't clip the Y val...
+					*(screen + address + xx + (yy * pitch)) = *bitmap;
+				bitmap++;
+		}
+	}
+}
+
+//
+// Very very crude GUI file selector
+//
+bool UserSelectFile(char * path, char * filename)
 {
-	uint32 pitch = TOMGetSDLScreenPitch();
+	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() > 30 ? 30 : fileList.size());
+		SDL_Event event;
+
+		// Ensure that the GUI is drawn before any user input...
+		event.type = SDL_USEREVENT;
+		SDL_PushEvent(&event);
+
+		while (!done)
+		{
+			while (SDL_PollEvent(&event))
+			{
+				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 (cursor != limit - 1)
+							cursor = limit - 1;
+						else
+						{
+							startFile += limit;
+							if (startFile > fileList.size() - limit)
+								startFile = fileList.size() - limit;
+						}
+					}
+					if (key == SDLK_PAGEUP)
+					{
+						if (cursor != 0)
+							cursor = 0;
+						else
+						{
+							if (startFile < limit)
+								startFile = 0;
+							else
+								startFile -= limit;
+						}
+					}
+					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;
+							}
+						}
+					}
+				}
+				else if (event.type == SDL_MOUSEMOTION)
+				{
+					mouseX = event.motion.x, mouseY = event.motion.y;
+					if (vjs.useOpenGL)
+						mouseX /= 2, mouseY /= 2;
+				}
+				else if (event.type == SDL_MOUSEBUTTONDOWN)
+				{
+					uint32 mx = event.button.x, my = event.button.y;
+					if (vjs.useOpenGL)
+						mx /= 2, my /= 2;
+					cursor = my / 8;
+				}
+
+				// Draw the GUI...
+//				memset(backbuffer, 0x11, tom_getVideoModeWidth() * tom_getVideoModeHeight() * 2);
+				memset(backbuffer, 0x11, tom_getVideoModeWidth() * 240 * 2);
+
+				for(uint32 i=0; i<limit; i++)
+				{
+					// Clip our strings to guarantee that they fit on the screen...
+					// (and strip off the extension too)
+					string s(fileList[startFile + i], 0, fileList[startFile + i].length() - 4);
+					if (s.length() > 38)
+						s[38] = 0;
+					DrawString(backbuffer, 0, i*8, (cursor == i ? true : false), " %s ", s.c_str());
+				}
+
+				DrawTransparentBitmap(backbuffer, mouseX, mouseY, mousePic);
+
+				RenderBackbuffer();
+			}
+		}
+	}
+
+	strcpy(filename, path);
+
+	if (strlen(path) > 0)
+		if (path[strlen(path) - 1] != '/')
+			strcat(filename, "/");
+
+	strcat(filename, fileList[startFile + cursor].c_str());
+
+	return true;
 }