gui.cpp.zip_c++ gui_linux gui

#include <X11/Xlib.h> #include <X11/Xutil.h> #include <X11/Xresource.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #define DefGC(dpy) DefaultGC(dpy, DefaultScreen(dpy)) typedef void (*Callback)(void *cbdata); typedef struct Button Button; struct Button { XChar2b * text; int text_width; int font_ascent; int width, height; unsigned long border, background, foreground; void *cbdata; Callback buttonRelease; }; int XChar2bLen(XChar2b *string){ int j = 0; for(j = 0; string[j].byte1 || string[j].byte2; j ++ ) ; return j; } int utf8toXChar2b(XChar2b *output_r, int outsize, const char *input, int inlen){ int j, k; for(j =0, k=0; j < inlen && k < outsize; j ++){ unsigned char c = input[j]; if (c < 128) { output_r[k].byte1 = 0; output_r[k].byte2 = c; k++; } else if (c < 0xC0) { /* we're inside a character we don't know */ continue; } else switch(c&0xF0){ case 0xC0: case 0xD0: /* two bytes 5+6 = 11 bits */ if (inlen < j+1){ return k; } output_r[k].byte1 = (c&0x1C) >> 2; j++; output_r[k].byte2 = ((c&0x3) << 6) + (input[j]&0x3F); k++; break; case 0xE0: /* three bytes 4+6+6 = 16 bits */ if (inlen < j+2){ return k; } j++; output_r[k].byte1 = ((c&0xF) << 4) + ((input[j]&0x3C) >> 2); c = input[j]; j++; output_r[k].byte2 = ((c&0x3) << 6) + (input[j]&0x3F); k++; break; case 0xFF: /* the character uses more than 16 bits */ continue; } } output_r[k].byte2 = 0; output_r[k].byte1 = 0; return k; } unsigned long getColour(Display *dpy, XrmDatabase db, char *name, char *cl, char *def){ XrmValue v; XColor col1, col2; Colormap cmap = DefaultColormap(dpy, DefaultScreen(dpy)); char * type; if (XrmGetResource(db, name, cl, &type, &v) && XAllocNamedColor(dpy, cmap, v.addr, &col1, &col2)) { } else { XAllocNamedColor(dpy, cmap, def, &col1, &col2); } return col2.pixel; } XFontStruct *getFont(Display *dpy, XrmDatabase db, char *name, char *cl, char *def){ XrmValue v; char * type; XFontStruct *font = 0; if (XrmGetResource(db, name, cl, &type, &v)){ if (v.addr) font = XLoadQueryFont(dpy, v.addr); } if (!font) { if (v.addr) fprintf(stderr, "unable to load preferred font: %s using fixed\n", v.addr); else fprintf(stderr, "couldn't figure out preferred font\n"); font = XLoadQueryFont(dpy, def); } return font; } typedef struct exitInfo ExitInfo; struct exitInfo { Display *dpy; XFontStruct *font; }; void exitButton(void *cbdata){ ExitInfo *ei = (ExitInfo*)cbdata; XFreeFont(ei->dpy, ei->font); XCloseDisplay(ei->dpy); exit(0); } void run(void *cbdata){ fprintf(stderr, "Run ;]\n"); } void createButton(Display *dpy, Window parent, char *text, XFontStruct *font, int x, int y, int width, int height, unsigned long foreground, unsigned long background, unsigned long border, XContext ctxt, Callback callback, void *cbdata){ Button *button; Window win; int strlength = strlen(text); win = XCreateSimpleWindow(dpy, parent, x, y, width, height, 2, border, background); /* borderwidth, border and background colour */ if (!win) { fprintf(stderr, "unable to create a subwindow\n"); exit(31); } button = calloc(sizeof(*button), 1); if (!button){ fprintf(stderr, "unable to allocate any space, dieing\n"); exit(32); } button->font_ascent = font->ascent; button->text = malloc(sizeof(*button->text) * (strlength+1)); if (!button->text){ fprintf(stderr, "unable to allocate any string space, dieing\n"); exit(32); } strlength = utf8toXChar2b(button->text, strlength, text, strlength); button->text_width = XTextWidth16(font, button->text, strlength); button->buttonRelease = callback; button->cbdata = cbdata; button->width = width; button->height = height; button->background = background; button->foreground = foreground; button->border = border; XSelectInput(dpy, win, ButtonPressMask|ButtonReleaseMask|StructureNotifyMask|ExposureMask |LeaveWindowMask|EnterWindowMask); XSaveContext(dpy, win, ctxt, (XPointer)button); XMapWindow(dpy, win); } XContext setup(Display * dpy, int argc, char ** argv){ static XrmOptionDescRec xrmTable[] = { {"-bg", "*background", XrmoptionSepArg, 0}, {"-fg", "*foreground", XrmoptionSepArg, 0}, {"-bc", "*bordercolour", XrmoptionSepArg, 0}, {"-font", "*font", XrmoptionSepArg, 0}, }; Button *mainwindow; Window win; XGCValues values; XFontStruct * font; XrmDatabase db; XContext ctxt; ctxt = XUniqueContext(); mainwindow = calloc(sizeof(*mainwindow), 1); XrmInitialize(); db = XrmGetDatabase(dpy); XrmParseCommand(&db, xrmTable, sizeof(xrmTable)/sizeof(xrmTable[0]), "xtut9", &argc, argv); font = getFont(dpy, db, "xtut9.font", "xtut9.Font", "fixed"); mainwindow->background = getColour(dpy, db, "xtut9.background", "xtut9.BackGround", "Black"); mainwindow->border = getColour(dpy, db, "xtut9.border", "xtut9.Border", "Red"); mainwindow->foreground = values.foreground = getColour(dpy, db, "xtut9.foreground", "xtut9.ForeGround", "Red"); mainwindow->width = 200; mainwindow->height = 30; win = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), /* display, parent */ 0,0, /* x, y: the window manager will place the window elsewhere */ mainwindow->width, mainwindow->height, /* width, height */ 2, mainwindow->border, /* border width & colour, unless you have a window manager */ mainwindow->background); /* background colour */ Xutf8SetWMProperties(dpy, win, "TibiaBot by Szybol", "xtut9", argv, argc, 0, 0, 0); /* make the default pen what we want */ values.line_width = 1; values.line_style = LineSolid; values.font = font->fid; XChangeGC(dpy, DefGC(dpy), GCForeground|GCLineWidth|GCLineStyle|GCFont,&values); { ExitInfo *exitInfo; exitInfo = malloc(sizeof(*exitInfo)); exitInfo->dpy = dpy; exitInfo->font = font; createButton(dpy, win, "Exit", font, /*display text font */ 5, 5, 80, /*(font->ascent+font->descent)*2*/20,/*xywh*/ /* colours */ mainwindow->foreground, mainwindow->background, mainwindow->border, ctxt, exitButton, exitInfo); /* context & callback info */ } XChangeGC(dpy, DefGC(dpy), GCForeground|GCLineWidth|GCLineStyle|GCFont,&values); { ExitInfo *exitInfo; exitInfo = malloc(sizeof(*exitInfo)); exitInfo->dpy = dpy; exitInfo->font = font; createButton(dpy, win, "Dice", font, /*display text font */ 100, 5, 80, 20,/*xywh*/ /* colours */ mainwindow->foreground, mainwindow->background, mainwindow->border, ctxt, run, exitInfo); /* context & callback info */ } /* tell the display server what kind of events we would like to see */ //XSelectInput(dpy, win, SubstructureRedirectMask|ExposureMask); /* okay, put the window on the screen, please */ XMapWindow(dpy, win); /* save the useful information about the window */ XSaveContext(dpy, win, ctxt, (XPointer)mainwindow); return ctxt; } void buttonExpose(Button *button, XEvent *ev) { int textx, texty, len; if (!button) return; if (button->text){ len = XChar2bLen(button->text); textx = (button->width - button->text_width)/2; texty = (button->height + button->font_ascent)/2; XDrawString16(ev->xany.display, ev->xany.window, DefGC(ev->xany.display), textx, texty, button->text, len); } } void buttonConfigure(Button *button, XEvent *ev){ if (!button) return; if (button->width != ev->xconfigure.width || button->height != ev->xconfigure.height) { button->width = ev->xconfigure.width; button->height = ev->xconfigure.height; XClearWindow(ev->xany.display, ev->xany.window); } } void buttonEnter(Button *button, XEvent *ev) { XSetWindowAttributes attrs; if(!button) return; //attrs.background_pixel = button->border; attrs.border_pixel = button->background; XChangeWindowAttributes(ev->xany.display, ev->xany.window, CWBackPixel|CWBorderPixel, &attrs); XClearArea(ev->xany.display, ev->xany.window, 0, 0, button->width, button->height, True); } void buttonLeave(Button *button, XEvent *ev) { XSetWindowAttribut