338 lines
8.2 KiB
C
338 lines
8.2 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301, USA.
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*/
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#include <string.h>
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#include <X11/Xutil.h>
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#include <X11/cursorfont.h>
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#include "options.h"
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#include "util.h"
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#include "window.h"
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#define _WINDOW_CONFIG
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#include "config.h"
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static Cursor carrow;
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static Cursor cnone;
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static Cursor chand;
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static Cursor cwatch;
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static GC gc;
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Atom wm_delete_win;
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void win_init(win_t *win) {
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win_env_t *e;
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XColor col;
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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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win->black = BlackPixel(e->dpy, e->scr);
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win->white = WhitePixel(e->dpy, e->scr);
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if (XAllocNamedColor(e->dpy, DefaultColormap(e->dpy, e->scr), BG_COLOR,
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&col, &col))
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{
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win->bgcol = col.pixel;
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} else {
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die("could not allocate color: %s", BG_COLOR);
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}
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if (XAllocNamedColor(e->dpy, DefaultColormap(e->dpy, e->scr), SEL_COLOR,
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&col, &col))
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{
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win->selcol = col.pixel;
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} else {
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die("could not allocate color: %s", SEL_COLOR);
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}
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win->xwin = 0;
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win->pm = 0;
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win->fullscreen = 0;
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}
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void win_set_sizehints(win_t *win) {
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XSizeHints sizehints;
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if (!win || !win->xwin)
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return;
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sizehints.flags = PMinSize | PMaxSize;
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sizehints.min_width = win->w;
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sizehints.max_width = win->w;
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sizehints.min_height = win->h;
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sizehints.max_height = win->h;
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XSetWMNormalHints(win->env.dpy, win->xwin, &sizehints);
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}
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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 col;
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char none_data[] = {0, 0, 0, 0, 0, 0, 0, 0};
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Pixmap none;
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int gmask;
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if (!win)
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return;
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e = &win->env;
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/* determine window offsets, width & height */
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if (!options->geometry)
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gmask = 0;
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else
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gmask = XParseGeometry(options->geometry, &win->x, &win->y,
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&win->w, &win->h);
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if (!(gmask & WidthValue))
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win->w = WIN_WIDTH;
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if (win->w > e->scrw)
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win->w = e->scrw;
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if (!(gmask & HeightValue))
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win->h = WIN_HEIGHT;
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if (win->h > e->scrh)
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win->h = e->scrh;
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if (!(gmask & XValue))
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win->x = (e->scrw - win->w) / 2;
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else if (gmask & XNegative)
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win->x += e->scrw - win->w;
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if (!(gmask & YValue))
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win->y = (e->scrh - win->h) / 2;
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else if (gmask & YNegative)
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win->y += e->scrh - win->h;
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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, StructureNotifyMask | KeyPressMask |
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ButtonPressMask | ButtonReleaseMask | PointerMotionMask);
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carrow = XCreateFontCursor(e->dpy, XC_left_ptr);
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chand = XCreateFontCursor(e->dpy, XC_fleur);
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cwatch = XCreateFontCursor(e->dpy, XC_watch);
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if (!XAllocNamedColor(e->dpy, DefaultColormap(e->dpy, e->scr), "black",
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&col, &col))
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{
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die("could not allocate color: black");
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}
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none = XCreateBitmapFromData(e->dpy, win->xwin, none_data, 8, 8);
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cnone = XCreatePixmapCursor(e->dpy, none, none, &col, &col, 0, 0);
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gc = XCreateGC(e->dpy, win->xwin, 0, None);
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win_set_title(win, "sxiv");
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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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if (options->fixed)
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win_set_sizehints(win);
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XMapWindow(e->dpy, win->xwin);
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XFlush(e->dpy);
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wm_delete_win = XInternAtom(e->dpy, "WM_DELETE_WINDOW", False);
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XSetWMProtocols(e->dpy, win->xwin, &wm_delete_win, 1);
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if (options->fullscreen)
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win_toggle_fullscreen(win);
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}
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void win_close(win_t *win) {
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if (!win || !win->xwin)
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return;
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XFreeCursor(win->env.dpy, carrow);
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XFreeCursor(win->env.dpy, cnone);
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XFreeCursor(win->env.dpy, chand);
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XFreeCursor(win->env.dpy, cwatch);
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XFreeGC(win->env.dpy, gc);
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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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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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int win_moveresize(win_t *win, int x, int y, unsigned int w, unsigned int h) {
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if (!win || !win->xwin)
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return 0;
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x = MAX(0, x);
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y = MAX(0, y);
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w = MIN(w, win->env.scrw - 2 * win->bw);
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h = MIN(h, win->env.scrh - 2 * win->bw);
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if (win->x == x && win->y == y && win->w == w && win->h == h)
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return 0;
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win->x = x;
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win->y = y;
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win->w = w;
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win->h = h;
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if (options->fixed)
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win_set_sizehints(win);
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XMoveResizeWindow(win->env.dpy, win->xwin, win->x, win->y, win->w, win->h);
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return 1;
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}
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void win_toggle_fullscreen(win_t *win) {
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XEvent ev;
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XClientMessageEvent *cm;
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if (!win || !win->xwin)
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return;
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win->fullscreen ^= 1;
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memset(&ev, 0, sizeof(ev));
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ev.type = ClientMessage;
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cm = &ev.xclient;
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cm->window = win->xwin;
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cm->message_type = XInternAtom(win->env.dpy, "_NET_WM_STATE", False);
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cm->format = 32;
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cm->data.l[0] = win->fullscreen;
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cm->data.l[1] = XInternAtom(win->env.dpy, "_NET_WM_STATE_FULLSCREEN", False);
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cm->data.l[2] = cm->data.l[3] = 0;
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XSendEvent(win->env.dpy, DefaultRootWindow(win->env.dpy), False,
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SubstructureNotifyMask | SubstructureRedirectMask, &ev);
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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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XGCValues gcval;
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if (!win || !win->xwin)
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return;
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e = &win->env;
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gcval.foreground = win->fullscreen ? win->black : win->bgcol;
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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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XChangeGC(e->dpy, gc, GCForeground, &gcval);
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XFillRectangle(e->dpy, win->pm, gc, 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 || !win->xwin)
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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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void win_draw_rect(win_t *win, Pixmap pm, int x, int y, int w, int h,
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Bool fill, int lw, unsigned long col) {
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XGCValues gcval;
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if (!win || !pm)
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return;
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gcval.line_width = lw;
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gcval.foreground = col;
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XChangeGC(win->env.dpy, gc, GCForeground | GCLineWidth, &gcval);
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if (fill)
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XFillRectangle(win->env.dpy, pm, gc, x, y, w, h);
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else
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XDrawRectangle(win->env.dpy, pm, gc, x, y, w, h);
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}
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void win_set_title(win_t *win, const char *title) {
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if (!win || !win->xwin)
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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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XChangeProperty(win->env.dpy, win->xwin,
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XInternAtom(win->env.dpy, "_NET_WM_NAME", False),
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XInternAtom(win->env.dpy, "UTF8_STRING", False), 8,
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PropModeReplace, (unsigned char *) title, strlen(title));
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XChangeProperty(win->env.dpy, win->xwin,
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XInternAtom(win->env.dpy, "_NET_WM_ICON_NAME", False),
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XInternAtom(win->env.dpy, "UTF8_STRING", False), 8,
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PropModeReplace, (unsigned char *) title, strlen(title));
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}
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void win_set_cursor(win_t *win, cursor_t cursor) {
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if (!win || !win->xwin)
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return;
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switch (cursor) {
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case CURSOR_NONE:
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XDefineCursor(win->env.dpy, win->xwin, cnone);
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break;
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case CURSOR_HAND:
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XDefineCursor(win->env.dpy, win->xwin, chand);
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break;
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case CURSOR_WATCH:
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XDefineCursor(win->env.dpy, win->xwin, cwatch);
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break;
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case CURSOR_ARROW:
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default:
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XDefineCursor(win->env.dpy, win->xwin, carrow);
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break;
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}
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XFlush(win->env.dpy);
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}
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