No more expose handling
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parent
08018427c6
commit
029e1208b9
41
image.c
41
image.c
@ -31,7 +31,6 @@ void imlib_init(win_t *win) {
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imlib_context_set_display(win->env.dpy);
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imlib_context_set_visual(win->env.vis);
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imlib_context_set_colormap(win->env.cmap);
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imlib_context_set_drawable(win->xwin);
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}
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void imlib_destroy() {
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@ -86,43 +85,43 @@ void img_display(img_t *img, win_t *win) {
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img->x = (win->w - img->w * img->zoom) / 2;
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img->y = (win->h - img->h * img->zoom) / 2;
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win_clear(win);
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img_render(img, win, 0, 0, win->w, win->h);
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img_render(img, win);
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}
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void img_render(img_t *img, win_t *win, int x, int y, int w, int h) {
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void img_render(img_t *img, win_t *win) {
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int sx, sy, sw, sh;
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int dx, dy, dw, dh;
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if (!img || !win || !imlib_context_get_image())
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return;
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if (img->x < x) {
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sx = (x - img->x) / img->zoom;
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sw = MIN(w / img->zoom, img->w - sx);
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dx = x;
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dw = sw * img->zoom;
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if (img->x < 0) {
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sx = -img->x / img->zoom;
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sw = win->w / img->zoom;
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dx = 0;
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dw = win->w;
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} else {
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sx = 0;
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sw = MIN((w - img->x + x) / img->zoom, img->w);
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sw = img->w;
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dx = img->x;
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dw = sw * img->zoom;
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dw = img->w * img->zoom;
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}
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if (img->y < y) {
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sy = (y - img->y) / img->zoom;
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sh = MIN(h / img->zoom, img->h - sy);
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dy = y;
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dh = sh * img->zoom;
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if (img->y < 0) {
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sy = -img->y / img->zoom;
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sh = win->h / img->zoom;
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dy = 0;
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dh = win->h;
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} else {
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sy = 0;
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sh = MIN((h - img->y + y) / img->zoom, img->h);
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sh = img->h;
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dy = img->y;
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dh = sh * img->zoom;
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dh = img->h * img->zoom;
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}
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if (sw < 0 || sh < 0)
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return;
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win_clear(win);
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imlib_context_set_drawable(win->pm);
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imlib_render_image_part_on_drawable_at_size(sx, sy, sw, sh, dx, dy, dw, dh);
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win_draw(win);
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}
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2
image.h
2
image.h
@ -41,6 +41,6 @@ void imlib_destroy();
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int img_load(img_t*, const char*);
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void img_display(img_t*, win_t*);
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void img_render(img_t*, win_t*, int, int, int, int);
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void img_render(img_t*, win_t*);
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#endif /* IMAGE_H */
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14
main.c
14
main.c
@ -29,14 +29,12 @@
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void on_keypress(XEvent*);
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void on_configurenotify(XEvent*);
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void on_expose(XEvent*);
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void update_title();
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static void (*handler[LASTEvent])(XEvent*) = {
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[Expose] = on_expose,
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[ConfigureNotify] = on_configurenotify,
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[KeyPress] = on_keypress
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[KeyPress] = on_keypress,
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[ConfigureNotify] = on_configurenotify
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};
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img_t img;
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@ -154,14 +152,6 @@ void on_configurenotify(XEvent *ev) {
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win_configure(&win, &ev->xconfigure);
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}
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void on_expose(XEvent *ev) {
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if (!ev)
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return;
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img_render(&img, &win, ev->xexpose.x, ev->xexpose.y,
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ev->xexpose.width, ev->xexpose.height);
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}
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void update_title() {
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int n;
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29
window.c
29
window.c
@ -28,8 +28,7 @@ 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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XSetWindowAttributes attr;
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unsigned long mask;
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XGCValues gcval;
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if (!win)
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return;
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@ -58,19 +57,19 @@ void win_open(win_t *win) {
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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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attr.backing_store = NotUseful;
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attr.background_pixel = bgcol.pixel;
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attr.save_under = False;
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mask = CWBackingStore | CWBackPixel | CWSaveUnder;
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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, mask, &attr);
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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 | ExposureMask | KeyPressMask);
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StructureNotifyMask | KeyPressMask);
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win->pm = 0;
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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_set_title(win, "sxiv");
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@ -124,5 +123,17 @@ void win_clear(win_t *win) {
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if (!win)
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return;
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if (win->pm)
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XFreePixmap(win->env.dpy, win->pm);
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win->pm = XCreatePixmap(win->env.dpy, win->xwin, win->w, win->h,
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win->env.depth);
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XFillRectangle(win->env.dpy, win->pm, win->bgc, 0, 0, win->w, win->h);
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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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4
window.h
4
window.h
@ -33,6 +33,8 @@ typedef struct win_env_s {
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typedef struct win_s {
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Window xwin;
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win_env_t env;
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Pixmap pm;
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GC bgc;
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int w;
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int h;
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@ -49,6 +51,8 @@ void win_close(win_t*);
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void win_set_title(win_t*, const char*);
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int win_configure(win_t*, XConfigureEvent*);
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void win_clear(win_t*);
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void win_draw(win_t*);
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#endif /* WINDOW_H */
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