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X11: set window icon

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Signed-off-by: Thomas Bernard <miniupnp@free.fr>
This commit is contained in:
Thomas Bernard 2018-07-02 01:18:32 +02:00
parent d5bd599461
commit e381177970
1 changed files with 53 additions and 3 deletions
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54
src/x11screen.c
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@ -27,6 +27,7 @@
#include <X11/Xutil.h>
#include "screen.h"
#include "gfx2surface.h"
#include "loadsave.h"
Display * X11_display = NULL;
static Window X11_window = 0;
@ -35,6 +36,7 @@ static char * image_pixels = NULL;
static XTextProperty windowName;
static GC X11_gc = 0;
static T_GFX2_Surface * screen = NULL;
static T_GFX2_Surface * icon = NULL;
void GFX2_Set_mode(int *width, int *height, int fullscreen)
{
@ -71,13 +73,14 @@ void GFX2_Set_mode(int *width, int *height, int fullscreen)
}
depth = DisplayPlanes(X11_display, s);
if (X11_window == NULL)
if (X11_window == 0)
{
static const char blank_data[1] = { 0 };
Pixmap blank;
Cursor cursor;
XColor dummy;
Atom wmDelete;
XWMHints* hints;
X11_window = XCreateSimpleWindow(X11_display, RootWindow(X11_display, s),
0, 0, *width, *height, 0, white, black);
@ -95,7 +98,51 @@ void GFX2_Set_mode(int *width, int *height, int fullscreen)
XStringListToTextProperty(winName, 1, &windowName);
XSetWMName(X11_display, X11_window, &windowName);
// TODO : set icon
// set icon
if (icon != NULL)
{
XImage * icon_image = XCreateImage(X11_display, visual, depth,
ZPixmap, 0, malloc(icon->w * icon->h * 4),
icon->w, icon->h, 32, 0/**width * 4*/);
if (icon_image != NULL)
{
char * transp_data;
int x, y;
Pixmap icon_mask;
Pixmap icon_pixmap = XCreatePixmap(X11_display, X11_window, icon->w, icon->h, 24);
transp_data = calloc(1, ((icon->w + 7) >> 3) * icon->h);
for (y = 0; y < icon->h; y++)
{
for (x = 0; x < icon->w; x++)
{
byte v = icon->pixels[x + y * icon->w];
if (v != 0) // assume 0 is transparent
transp_data[(x >> 3) + ((icon->w + 7) >> 3) * y] |= (1 << (x & 7));
XPutPixel(icon_image, x, y,
(unsigned)icon->palette[v].R << 16 | (unsigned)icon->palette[v].G << 8 | (unsigned)icon->palette[v].B);
}
}
// Transfer icon_image to the icon_pixmap
XPutImage(X11_display, icon_pixmap, X11_gc, icon_image,
0, 0, 0, 0, icon->w, icon->h);
icon_mask = XCreateBitmapFromData(X11_display, X11_window, transp_data,
icon->w, icon->h);
hints = XAllocWMHints();
if (hints != NULL)
{
hints->flags = IconPixmapHint | IconMaskHint;
hints->icon_pixmap = icon_pixmap;
hints->icon_mask = icon_mask;
XSetWMHints(X11_display, X11_window, hints);
XFree(hints);
}
free(transp_data);
}
XDestroyImage(icon_image);
}
XSelectInput(X11_display, X11_window,
PointerMotionMask | ButtonPressMask | ButtonReleaseMask | KeyPressMask | ExposureMask | StructureNotifyMask);
@ -269,4 +316,7 @@ void Allow_drag_and_drop(int flag)
void Define_icon(void)
{
char icon_path[MAX_PATH_CHARACTERS];
snprintf(icon_path, sizeof(icon_path), "%s%s", Data_directory, "gfx2.png"); // 48x48
icon = Load_surface(icon_path, NULL);
}