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-rw-r--r--src/wallpaper.c394
1 files changed, 278 insertions, 116 deletions
diff --git a/src/wallpaper.c b/src/wallpaper.c
index 8a4cafb..e2fa67e 100644
--- a/src/wallpaper.c
+++ b/src/wallpaper.c
@@ -1,7 +1,7 @@
/* wallpaper.c
Copyright (C) 1999-2003 Tom Gilbert.
-Copyright (C) 2010-2011 Daniel Friesel.
+Copyright (C) 2010-2020 Birte Kristina Friesel.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
@@ -24,11 +24,14 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
+#include <limits.h>
+#include <sys/stat.h>
+
#include "feh.h"
#include "filelist.h"
#include "options.h"
#include "wallpaper.h"
-#include <limits.h>
+
Window ipc_win = None;
Window my_ipc_win = None;
Atom ipc_atom = None;
@@ -88,7 +91,7 @@ static void feh_wm_set_bg_scaled(Pixmap pmap, Imlib_Image im, int use_filelist,
feh_wm_load_next(&im);
gib_imlib_render_image_on_drawable_at_size(pmap, im, x, y, w, h,
- 1, 0, !opt.force_aliasing);
+ 1, 1, !opt.force_aliasing);
if (use_filelist)
gib_imlib_free_image_and_decache(im);
@@ -104,8 +107,21 @@ static void feh_wm_set_bg_centered(Pixmap pmap, Imlib_Image im, int use_filelist
if (use_filelist)
feh_wm_load_next(&im);
- offset_x = (w - gib_imlib_image_get_width(im)) >> 1;
- offset_y = (h - gib_imlib_image_get_height(im)) >> 1;
+ if(opt.geom_flags & XValue)
+ if(opt.geom_flags & XNegative)
+ offset_x = (w - gib_imlib_image_get_width(im)) + opt.geom_x;
+ else
+ offset_x = opt.geom_x;
+ else
+ offset_x = (w - gib_imlib_image_get_width(im)) >> 1;
+
+ if(opt.geom_flags & YValue)
+ if(opt.geom_flags & YNegative)
+ offset_y = (h - gib_imlib_image_get_height(im)) + opt.geom_y;
+ else
+ offset_y = opt.geom_y;
+ else
+ offset_y = (h - gib_imlib_image_get_height(im)) >> 1;
gib_imlib_render_image_part_on_drawable_at_size(pmap, im,
((offset_x < 0) ? -offset_x : 0),
@@ -116,7 +132,7 @@ static void feh_wm_set_bg_centered(Pixmap pmap, Imlib_Image im, int use_filelist
y + ((offset_y > 0) ? offset_y : 0),
w,
h,
- 1, 0, 0);
+ 1, 1, 0);
if (use_filelist)
gib_imlib_free_image_and_decache(im);
@@ -144,11 +160,36 @@ static void feh_wm_set_bg_filled(Pixmap pmap, Imlib_Image im, int use_filelist,
render_x = ( cut_x ? ((img_w - render_w) >> 1) : 0);
render_y = ( !cut_x ? ((img_h - render_h) >> 1) : 0);
+ if ((opt.geom_flags & XValue) && cut_x) {
+ if (opt.geom_flags & XNegative) {
+ render_x = img_w - render_w + opt.geom_x;
+ } else {
+ render_x = opt.geom_x;
+ }
+ if (render_x < 0) {
+ render_x = 0;
+ } else if (render_x + render_w > img_w) {
+ render_x = img_w - render_w;
+ }
+ }
+ else if ((opt.geom_flags & YValue) && !cut_x) {
+ if (opt.geom_flags & YNegative) {
+ render_y = img_h - render_h + opt.geom_y;
+ } else {
+ render_y = opt.geom_y;
+ }
+ if (render_y < 0) {
+ render_y = 0;
+ } else if (render_y + render_h > img_h) {
+ render_y = img_h - render_h;
+ }
+ }
+
gib_imlib_render_image_part_on_drawable_at_size(pmap, im,
render_x, render_y,
render_w, render_h,
x, y, w, h,
- 1, 0, !opt.force_aliasing);
+ 1, 1, !opt.force_aliasing);
if (use_filelist)
gib_imlib_free_image_and_decache(im);
@@ -161,6 +202,7 @@ static void feh_wm_set_bg_maxed(Pixmap pmap, Imlib_Image im, int use_filelist,
{
int img_w, img_h, border_x;
int render_w, render_h, render_x, render_y;
+ int margin_x, margin_y;
if (use_filelist)
feh_wm_load_next(&im);
@@ -173,13 +215,29 @@ static void feh_wm_set_bg_maxed(Pixmap pmap, Imlib_Image im, int use_filelist,
render_w = ( border_x ? ((img_w * h) / img_h) : w);
render_h = ( !border_x ? ((img_h * w) / img_w) : h);
- render_x = x + ( border_x ? ((w - render_w) >> 1) : 0);
- render_y = y + ( !border_x ? ((h - render_h) >> 1) : 0);
+ if(opt.geom_flags & XValue)
+ if(opt.geom_flags & XNegative)
+ margin_x = (w - render_w) + opt.geom_x;
+ else
+ margin_x = opt.geom_x;
+ else
+ margin_x = (w - render_w) >> 1;
+
+ if(opt.geom_flags & YValue)
+ if(opt.geom_flags & YNegative)
+ margin_y = (h - render_h) + opt.geom_y;
+ else
+ margin_y = opt.geom_y;
+ else
+ margin_y = (h - render_h) >> 1;
+
+ render_x = x + ( border_x ? margin_x : 0);
+ render_y = y + ( !border_x ? margin_y : 0);
gib_imlib_render_image_on_drawable_at_size(pmap, im,
render_x, render_y,
render_w, render_h,
- 1, 0, !opt.force_aliasing);
+ 1, 1, !opt.force_aliasing);
if (use_filelist)
gib_imlib_free_image_and_decache(im);
@@ -187,17 +245,130 @@ static void feh_wm_set_bg_maxed(Pixmap pmap, Imlib_Image im, int use_filelist,
return;
}
+/*
+** Creates a script that can be used to create the same background
+** as the last time the program was called.
+*/
+void feh_wm_gen_bg_script(char* fil, int centered, int scaled, int filled, int use_filelist) {
+ char * home = getenv("HOME");
+
+ if (!home)
+ return;
+
+ FILE *fp;
+ int fd;
+ char *path;
+ char *exec_method;
+ char *absolute_path;
+ struct stat s;
+ gib_list *filelist_pos = filelist;
+
+ if (strchr(cmdargv[0], '/'))
+ exec_method = feh_absolute_path(cmdargv[0]);
+ else
+ exec_method = cmdargv[0];
+
+ path = estrjoin("/", home, ".fehbg", NULL);
+
+ if ((fp = fopen(path, "w")) == NULL) {
+ weprintf("Can't write to %s", path);
+ } else {
+ fputs("#!/bin/sh\n", fp);
+ fputs(exec_method, fp);
+ fputs(" --no-fehbg --bg-", fp);
+ if (centered)
+ fputs("center", fp);
+ else if (scaled)
+ fputs("scale", fp);
+ else if (filled == 1)
+ fputs("fill", fp);
+ else if (filled == 2)
+ fputs("max", fp);
+ else
+ fputs("tile", fp);
+ if (opt.image_bg) {
+ fputs(" --image-bg ", fp);
+ fputs(shell_escape(opt.image_bg), fp);
+ }
+#ifdef HAVE_LIBXINERAMA
+ if (opt.xinerama) {
+ if (opt.xinerama_index >= 0) {
+ fprintf(fp, " --xinerama-index %d", opt.xinerama_index);
+ }
+ }
+ else {
+ fputs(" --no-xinerama", fp);
+ }
+#endif /* HAVE_LIBXINERAMA */
+ if (opt.geom_flags & XValue) {
+ fprintf(fp, " --geometry %c%d",
+ opt.geom_flags & XNegative ? '-' : '+',
+ opt.geom_flags & XNegative ? abs(opt.geom_x) : opt.geom_x);
+ if (opt.geom_flags & YValue) {
+ fprintf(fp, "%c%d",
+ opt.geom_flags & YNegative ? '-' : '+',
+ opt.geom_flags & YNegative ? abs(opt.geom_y) : opt.geom_y);
+ }
+ }
+ if (opt.force_aliasing) {
+ fputs(" --force-aliasing", fp);
+ }
+ fputc(' ', fp);
+ if (use_filelist) {
+#ifdef HAVE_LIBXINERAMA
+ for (int i = 0; (i < opt.xinerama ? num_xinerama_screens : 1) && filelist_pos; i++)
+#else
+ for (int i = 0; (i < 1 ) && filelist_pos; i++)
+#endif
+ {
+ absolute_path = feh_absolute_path(FEH_FILE(filelist_pos->data)->filename);
+ fputs(shell_escape(absolute_path), fp);
+ filelist_pos = filelist_pos->next;
+ free(absolute_path);
+ fputc(' ', fp);
+ }
+ } else if (fil) {
+ absolute_path = feh_absolute_path(fil);
+ fputs(shell_escape(absolute_path), fp);
+ free(absolute_path);
+ }
+ fputc('\n', fp);
+ fd = fileno(fp);
+ if (fstat(fd, &s) != 0 || fchmod(fd, s.st_mode | S_IXUSR | S_IXGRP) != 0) {
+ weprintf("Can't set %s as executable", path);
+ }
+ fclose(fp);
+ }
+ free(path);
+
+ if(exec_method != cmdargv[0])
+ free(exec_method);
+}
+
void feh_wm_set_bg(char *fil, Imlib_Image im, int centered, int scaled,
int filled, int desktop, int use_filelist)
{
+ XGCValues gcvalues;
+ XGCValues gcval;
+ GC gc;
char bgname[20];
- int num = (int) rand();
+ int num = (int) random();
char bgfil[4096];
char sendbuf[4096];
+ /*
+ * TODO this re-implements mkstemp (badly). However, it is only needed
+ * for non-file images and enlightenment. Might be easier to just remove
+ * it.
+ */
+
snprintf(bgname, sizeof(bgname), "FEHBG_%d", num);
if (!fil && im) {
+ if (getenv("HOME") == NULL) {
+ weprintf("Cannot save wallpaper to temporary file: You have no HOME");
+ return;
+ }
snprintf(bgfil, sizeof(bgfil), "%s/.%s.png", getenv("HOME"), bgname);
imlib_context_set_image(im);
imlib_image_set_format("png");
@@ -211,7 +382,10 @@ void feh_wm_set_bg(char *fil, Imlib_Image im, int centered, int scaled,
feh_wm_load_next(&im);
fil = FEH_FILE(filelist->data)->filename;
}
- snprintf(sendbuf, sizeof(sendbuf), "background %s bg.file %s", bgname, fil);
+ if ((size_t) snprintf(sendbuf, sizeof(sendbuf), "background %s bg.file %s", bgname, fil) >= sizeof(sendbuf)) {
+ weprintf("Writing to IPC send buffer was truncated");
+ return;
+ }
enl_ipc_send(sendbuf);
if (scaled) {
@@ -248,94 +422,67 @@ void feh_wm_set_bg(char *fil, Imlib_Image im, int centered, int scaled,
Atom prop_root, prop_esetroot, type;
int format, i;
unsigned long length, after;
- unsigned char *data_root, *data_esetroot;
+ unsigned char *data_root = NULL, *data_esetroot = NULL;
Pixmap pmap_d1, pmap_d2;
- gib_list *l;
-
- /* string for sticking in ~/.fehbg */
- char *fehbg = NULL;
- char *home;
- char filbuf[4096];
- char fehbg_xinerama[] = "--no-xinerama";
/* local display to set closedownmode on */
Display *disp2;
Window root2;
int depth2;
- XGCValues gcvalues;
- GC gc;
- int in, out, w, h;
-
- if (opt.xinerama)
- fehbg_xinerama[0] = '\0';
+ int w, h;
D(("Falling back to XSetRootWindowPixmap\n"));
- /* Put the filename in filbuf between ' and escape ' in the filename */
- out = 0;
+ XColor color;
+ Colormap cmap = DefaultColormap(disp, DefaultScreen(disp));
+ if (opt.image_bg)
+ XAllocNamedColor(disp, cmap, (char*) opt.image_bg, &color, &color);
+ else
+ XAllocNamedColor(disp, cmap, "black", &color, &color);
- if (fil && !use_filelist) {
- filbuf[out++] = '\'';
-
- for (in = 0; fil[in] && out < 4092; in++) {
+ if (scaled) {
+ pmap_d1 = XCreatePixmap(disp, root, scr->width, scr->height, depth);
- if (fil[in] == '\'')
- filbuf[out++] = '\\';
- filbuf[out++] = fil[in];
+#ifdef HAVE_LIBXINERAMA
+ if (opt.xinerama_index >= 0) {
+ gcval.foreground = color.pixel;
+ gc = XCreateGC(disp, root, GCForeground, &gcval);
+ XFillRectangle(disp, pmap_d1, gc, 0, 0, scr->width, scr->height);
+ XFreeGC(disp, gc);
}
- filbuf[out++] = '\'';
-
- } else {
- for (l = filelist; l && out < 4092; l = l->next) {
- filbuf[out++] = '\'';
- fil = FEH_FILE(l->data)->filename;
-
- for (in = 0; fil[in] && out < 4092; in++) {
-
- if (fil[in] == '\'')
- filbuf[out++] = '\\';
- filbuf[out++] = fil[in];
+ if (opt.xinerama && xinerama_screens) {
+ for (i = 0; i < num_xinerama_screens; i++) {
+ if (opt.xinerama_index < 0 || opt.xinerama_index == i) {
+ feh_wm_set_bg_scaled(pmap_d1, im, use_filelist,
+ xinerama_screens[i].x_org, xinerama_screens[i].y_org,
+ xinerama_screens[i].width, xinerama_screens[i].height);
+ }
}
- filbuf[out++] = '\'';
- filbuf[out++] = ' ';
}
- }
-
-
- filbuf[out++] = 0;
-
- if (scaled) {
- pmap_d1 = XCreatePixmap(disp, root, scr->width, scr->height, depth);
-
-#ifdef HAVE_LIBXINERAMA
- if (opt.xinerama && xinerama_screens)
- for (i = 0; i < num_xinerama_screens; i++)
- feh_wm_set_bg_scaled(pmap_d1, im, use_filelist,
- xinerama_screens[i].x_org, xinerama_screens[i].y_org,
- xinerama_screens[i].width, xinerama_screens[i].height);
else
#endif /* HAVE_LIBXINERAMA */
feh_wm_set_bg_scaled(pmap_d1, im, use_filelist,
0, 0, scr->width, scr->height);
- fehbg = estrjoin(" ", "feh", fehbg_xinerama, "--bg-scale", filbuf, NULL);
} else if (centered) {
- XGCValues gcval;
- GC gc;
D(("centering\n"));
pmap_d1 = XCreatePixmap(disp, root, scr->width, scr->height, depth);
- gcval.foreground = BlackPixel(disp, DefaultScreen(disp));
+ gcval.foreground = color.pixel;
gc = XCreateGC(disp, root, GCForeground, &gcval);
XFillRectangle(disp, pmap_d1, gc, 0, 0, scr->width, scr->height);
#ifdef HAVE_LIBXINERAMA
- if (opt.xinerama && xinerama_screens)
- for (i = 0; i < num_xinerama_screens; i++)
- feh_wm_set_bg_centered(pmap_d1, im, use_filelist,
- xinerama_screens[i].x_org, xinerama_screens[i].y_org,
- xinerama_screens[i].width, xinerama_screens[i].height);
+ if (opt.xinerama && xinerama_screens) {
+ for (i = 0; i < num_xinerama_screens; i++) {
+ if (opt.xinerama_index < 0 || opt.xinerama_index == i) {
+ feh_wm_set_bg_centered(pmap_d1, im, use_filelist,
+ xinerama_screens[i].x_org, xinerama_screens[i].y_org,
+ xinerama_screens[i].width, xinerama_screens[i].height);
+ }
+ }
+ }
else
#endif /* HAVE_LIBXINERAMA */
feh_wm_set_bg_centered(pmap_d1, im, use_filelist,
@@ -343,39 +490,49 @@ void feh_wm_set_bg(char *fil, Imlib_Image im, int centered, int scaled,
XFreeGC(disp, gc);
- fehbg = estrjoin(" ", "feh", fehbg_xinerama, "--bg-center", filbuf, NULL);
-
} else if (filled == 1) {
pmap_d1 = XCreatePixmap(disp, root, scr->width, scr->height, depth);
#ifdef HAVE_LIBXINERAMA
- if (opt.xinerama && xinerama_screens)
- for (i = 0; i < num_xinerama_screens; i++)
- feh_wm_set_bg_filled(pmap_d1, im, use_filelist,
- xinerama_screens[i].x_org, xinerama_screens[i].y_org,
- xinerama_screens[i].width, xinerama_screens[i].height);
+ if (opt.xinerama_index >= 0) {
+ gcval.foreground = color.pixel;
+ gc = XCreateGC(disp, root, GCForeground, &gcval);
+ XFillRectangle(disp, pmap_d1, gc, 0, 0, scr->width, scr->height);
+ XFreeGC(disp, gc);
+ }
+
+ if (opt.xinerama && xinerama_screens) {
+ for (i = 0; i < num_xinerama_screens; i++) {
+ if (opt.xinerama_index < 0 || opt.xinerama_index == i) {
+ feh_wm_set_bg_filled(pmap_d1, im, use_filelist,
+ xinerama_screens[i].x_org, xinerama_screens[i].y_org,
+ xinerama_screens[i].width, xinerama_screens[i].height);
+ }
+ }
+ }
else
#endif /* HAVE_LIBXINERAMA */
feh_wm_set_bg_filled(pmap_d1, im, use_filelist
, 0, 0, scr->width, scr->height);
- fehbg = estrjoin(" ", "feh", fehbg_xinerama, "--bg-fill", filbuf, NULL);
-
} else if (filled == 2) {
- XGCValues gcval;
pmap_d1 = XCreatePixmap(disp, root, scr->width, scr->height, depth);
- gcval.foreground = BlackPixel(disp, DefaultScreen(disp));
+ gcval.foreground = color.pixel;
gc = XCreateGC(disp, root, GCForeground, &gcval);
XFillRectangle(disp, pmap_d1, gc, 0, 0, scr->width, scr->height);
#ifdef HAVE_LIBXINERAMA
- if (opt.xinerama && xinerama_screens)
- for (i = 0; i < num_xinerama_screens; i++)
- feh_wm_set_bg_maxed(pmap_d1, im, use_filelist,
- xinerama_screens[i].x_org, xinerama_screens[i].y_org,
- xinerama_screens[i].width, xinerama_screens[i].height);
+ if (opt.xinerama && xinerama_screens) {
+ for (i = 0; i < num_xinerama_screens; i++) {
+ if (opt.xinerama_index < 0 || opt.xinerama_index == i) {
+ feh_wm_set_bg_maxed(pmap_d1, im, use_filelist,
+ xinerama_screens[i].x_org, xinerama_screens[i].y_org,
+ xinerama_screens[i].width, xinerama_screens[i].height);
+ }
+ }
+ }
else
#endif /* HAVE_LIBXINERAMA */
feh_wm_set_bg_maxed(pmap_d1, im, use_filelist,
@@ -383,34 +540,17 @@ void feh_wm_set_bg(char *fil, Imlib_Image im, int centered, int scaled,
XFreeGC(disp, gc);
- fehbg = estrjoin(" ", "feh", fehbg_xinerama, "--bg-max", filbuf, NULL);
-
} else {
if (use_filelist)
feh_wm_load_next(&im);
w = gib_imlib_image_get_width(im);
h = gib_imlib_image_get_height(im);
pmap_d1 = XCreatePixmap(disp, root, w, h, depth);
- gib_imlib_render_image_on_drawable(pmap_d1, im, 0, 0, 1, 0, 0);
- fehbg = estrjoin(" ", "feh --bg-tile", filbuf, NULL);
+ gib_imlib_render_image_on_drawable(pmap_d1, im, 0, 0, 1, 1, 0);
}
- if (fehbg && !opt.no_fehbg) {
- home = getenv("HOME");
- if (home) {
- FILE *fp;
- char *path;
- path = estrjoin("/", home, ".fehbg", NULL);
- if ((fp = fopen(path, "w")) == NULL) {
- weprintf("Can't write to %s", path);
- } else {
- fprintf(fp, "%s\n", fehbg);
- fclose(fp);
- }
- free(path);
- }
- free(fehbg);
- }
+ if (!opt.no_fehbg)
+ feh_wm_gen_bg_script(fil, centered, scaled, filled, use_filelist);
/* create new display, copy pixmap to new display */
disp2 = XOpenDisplay(NULL);
@@ -448,6 +588,13 @@ void feh_wm_set_bg(char *fil, Imlib_Image im, int centered, int scaled,
}
}
}
+
+ if (data_root)
+ XFree(data_root);
+
+ if (data_esetroot)
+ XFree(data_esetroot);
+
/* This will locate the property, creating it if it doesn't exist */
prop_root = XInternAtom(disp2, "_XROOTPMAP_ID", False);
prop_esetroot = XInternAtom(disp2, "ESETROOT_PMAP_ID", False);
@@ -656,11 +803,11 @@ void enl_ipc_send(char *str)
return;
}
-static sighandler_t *enl_ipc_timeout(int sig)
+void enl_ipc_timeout(int sig)
{
- timeout = 1;
- return((sighandler_t *) sig);
- sig = 0;
+ if (sig == SIGALRM)
+ timeout = 1;
+ return;
}
char *enl_wait_for_reply(void)
@@ -687,7 +834,7 @@ char *enl_ipc_get(const char *msg_data)
{
static char *message = NULL;
- static unsigned short len = 0;
+ static size_t len = 0;
char buff[13], *ret_msg = NULL;
register unsigned char i;
unsigned char blen;
@@ -720,7 +867,8 @@ char *enl_ipc_get(const char *msg_data)
char *enl_send_and_wait(char *msg)
{
char *reply = IPC_TIMEOUT;
- sighandler_t old_alrm;
+ struct sigaction e17_sh, feh_sh;
+ sigset_t e17_ss;
/*
* Shortcut this func and return IPC_FAKE
@@ -739,7 +887,19 @@ char *enl_send_and_wait(char *msg)
sleep(1);
}
}
- old_alrm = (sighandler_t) signal(SIGALRM, (sighandler_t) enl_ipc_timeout);
+
+ if ((sigemptyset(&e17_ss) == -1) || sigaddset(&e17_ss, SIGALRM) == -1) {
+ weprintf("Failed to set up temporary E17 signal masks");
+ return reply;
+ }
+ e17_sh.sa_handler = enl_ipc_timeout;
+ e17_sh.sa_mask = e17_ss;
+ e17_sh.sa_flags = 0;
+ if (sigaction(SIGALRM, &e17_sh, &feh_sh) == -1) {
+ weprintf("Failed to set up temporary E17 signal handler");
+ return reply;
+ }
+
for (; reply == IPC_TIMEOUT;) {
timeout = 0;
enl_ipc_send(msg);
@@ -751,6 +911,8 @@ char *enl_send_and_wait(char *msg)
ipc_win = None;
}
}
- signal(SIGALRM, old_alrm);
+ if (sigaction(SIGALRM, &feh_sh, NULL) == -1) {
+ weprintf("Failed to restore signal handler");
+ }
return(reply);
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-09-11 00:15:14 +0000