143 lines
3.4 KiB
C
143 lines
3.4 KiB
C
/* sxiv: window.c
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* Copyright (c) 2011 Bert Muennich <muennich at informatik.hu-berlin.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <X11/Xutil.h>
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#include "sxiv.h"
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#include "window.h"
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void win_open(win_t *win) {
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win_env_t *e;
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XClassHint *classhint;
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XColor bgcol;
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XGCValues gcval;
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if (!win)
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return;
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e = &win->env;
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if (!(e->dpy = XOpenDisplay(NULL)))
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DIE("could not open display");
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e->scr = DefaultScreen(e->dpy);
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e->scrw = DisplayWidth(e->dpy, e->scr);
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e->scrh = DisplayHeight(e->dpy, e->scr);
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e->vis = DefaultVisual(e->dpy, e->scr);
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e->cmap = DefaultColormap(e->dpy, e->scr);
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e->depth = DefaultDepth(e->dpy, e->scr);
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if (!XAllocNamedColor(e->dpy, DefaultColormap(e->dpy, e->scr), BG_COLOR,
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&bgcol, &bgcol))
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DIE("could not allocate color: %s", BG_COLOR);
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win->w = WIN_WIDTH;
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win->h = WIN_HEIGHT;
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if (win->w > e->scrw)
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win->w = e->scrw;
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if (win->h > e->scrh)
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win->h = e->scrh;
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win->x = (e->scrw - win->w) / 2;
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win->y = (e->scrh - win->h) / 2;
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win->xwin = XCreateWindow(e->dpy, RootWindow(e->dpy, e->scr),
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win->x, win->y, win->w, win->h, 0,
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e->depth, InputOutput, e->vis, 0, None);
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if (win->xwin == None)
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DIE("could not create window");
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XSelectInput(e->dpy, win->xwin,
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StructureNotifyMask | KeyPressMask);
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gcval.foreground = bgcol.pixel;
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win->bgc = XCreateGC(e->dpy, win->xwin, GCForeground, &gcval);
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win->pm = 0;
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win_set_title(win, "sxiv");
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if ((classhint = XAllocClassHint())) {
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classhint->res_name = "sxiv";
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classhint->res_class = "sxiv";
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XSetClassHint(e->dpy, win->xwin, classhint);
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XFree(classhint);
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}
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XMapWindow(e->dpy, win->xwin);
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XFlush(e->dpy);
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}
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void win_close(win_t *win) {
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if (!win)
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return;
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XDestroyWindow(win->env.dpy, win->xwin);
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XCloseDisplay(win->env.dpy);
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}
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void win_set_title(win_t *win, const char *title) {
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if (!win)
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return;
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if (!title)
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title = "sxiv";
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XStoreName(win->env.dpy, win->xwin, title);
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XSetIconName(win->env.dpy, win->xwin, title);
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}
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int win_configure(win_t *win, XConfigureEvent *c) {
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int changed;
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if (!win)
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return 0;
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changed = win->w != c->width || win->h != c->height;
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win->x = c->x;
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win->y = c->y;
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win->w = c->width;
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win->h = c->height;
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win->bw = c->border_width;
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return changed;
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}
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void win_clear(win_t *win) {
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win_env_t *e;
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if (!win)
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return;
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e = &win->env;
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if (win->pm)
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XFreePixmap(e->dpy, win->pm);
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win->pm = XCreatePixmap(e->dpy, win->xwin, e->scrw, e->scrh, e->depth);
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XFillRectangle(e->dpy, win->pm, win->bgc, 0, 0, e->scrw, e->scrh);
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}
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void win_draw(win_t *win) {
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if (!win)
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return;
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XSetWindowBackgroundPixmap(win->env.dpy, win->xwin, win->pm);
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XClearWindow(win->env.dpy, win->xwin);
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}
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