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X11TK: Cleanups, reduce scaling factor if a font cant be found

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This commit is contained in:
eafton
2025-09-22 16:05:02 +03:00
committed by Sam Lantinga
parent 6d0fdb627e
commit fb99dfc076
1 changed files with 156 additions and 259 deletions
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413
src/video/x11/SDL_x11toolkit.c
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@@ -258,6 +258,134 @@ static float X11Toolkit_GetUIScale(XSettingsClient *client, Display *display)
return (float)scale_factor;
}
static void X11Toolkit_InitWindowPixmap(SDL_ToolkitWindowX11 *data) {
if (data->pixmap) {
#ifndef NO_SHARED_MEMORY
if (!data->shm_pixmap) {
data->drawable = X11_XCreatePixmap(data->display, data->window, data->pixmap_width, data->pixmap_height, data->depth);
}
#else
data->drawable = X11_XCreatePixmap(data->display, data->window, data->pixmap_width, data->pixmap_height, data->depth);
#endif
#ifndef NO_SHARED_MEMORY
if (data->shm) {
data->image = X11_XShmCreateImage(data->display, data->visual, data->depth, ZPixmap, NULL, &data->shm_info, data->pixmap_width, data->pixmap_height);
if (data->image) {
data->shm_bytes_per_line = data->image->bytes_per_line;
data->shm_info.shmid = shmget(IPC_PRIVATE, data->image->bytes_per_line * data->image->height, IPC_CREAT | 0777);
if (data->shm_info.shmid < 0) {
XDestroyImage(data->image);
data->image = NULL;
data->shm = false;
}
data->shm_info.readOnly = False;
data->shm_info.shmaddr = data->image->data = (char *)shmat(data->shm_info.shmid, 0, 0);
if (((signed char *)data->shm_info.shmaddr) == (signed char *)-1) {
XDestroyImage(data->image);
data->shm = false;
data->image = NULL;
}
g_shm_error = False;
g_old_error_handler = X11_XSetErrorHandler(X11Toolkit_SharedMemoryErrorHandler);
X11_XShmAttach(data->display, &data->shm_info);
X11_XSync(data->display, False);
X11_XSetErrorHandler(g_old_error_handler);
if (g_shm_error) {
XDestroyImage(data->image);
shmdt(data->shm_info.shmaddr);
shmctl(data->shm_info.shmid, IPC_RMID, 0);
data->image = NULL;
data->shm = false;
}
if (data->shm_pixmap) {
data->drawable = X11_XShmCreatePixmap(data->display, data->window, data->shm_info.shmaddr, &data->shm_info, data->pixmap_width, data->pixmap_height, data->depth);
if (data->drawable == None) {
data->shm_pixmap = False;
} else {
XDestroyImage(data->image);
data->image = NULL;
}
}
shmctl(data->shm_info.shmid, IPC_RMID, 0);
} else {
data->shm = false;
}
}
#endif
}
}
static void X11Toolkit_InitWindowFonts(SDL_ToolkitWindowX11 *window)
{
#ifdef X_HAVE_UTF8_STRING
window->utf8 = true;
window->font_set = NULL;
if (SDL_X11_HAVE_UTF8) {
char **missing = NULL;
int num_missing = 0;
int i_font;
window->font_struct = NULL;
for (i_font = 0; g_ToolkitFont[i_font]; ++i_font) {
char *font;
if (SDL_strstr(g_ToolkitFont[i_font], "%d")) {
try_load_font:
SDL_asprintf(&font, g_ToolkitFont[i_font], G_TOOLKITFONT_SIZE * window->iscale);
window->font_set = X11_XCreateFontSet(window->display, font, &missing, &num_missing, NULL);
SDL_free(font);
if (!window->font_set) {
if (window->scale && window->iscale > 0) {
window->iscale = (int)SDL_ceilf(window->scale);
window->scale = 0;
} else {
window->iscale--;
}
goto try_load_font;
}
} else {
window->font_set = X11_XCreateFontSet(window->display, g_ToolkitFont[i_font], &missing, &num_missing, NULL);
}
if (missing) {
X11_XFreeStringList(missing);
}
if (window->font_set) {
break;
}
}
if (!window->font_set) {
goto load_font_traditional;
}
} else
#endif
{
char *font;
load_font_traditional:
window->utf8 = false;
SDL_asprintf(&font, g_ToolkitFontLatin1, G_TOOLKITFONT_SIZE * window->iscale);
window->font_struct = X11_XLoadQueryFont(window->display, font);
SDL_free(font);
if (!window->font_struct) {
if (window->scale && window->iscale > 0) {
window->iscale = (int)SDL_ceilf(window->scale);
window->scale = 0;
} else {
window->iscale--;
}
goto load_font_traditional;
}
}
}
static void X11Toolkit_SettingsNotify(const char *name, XSettingsAction action, XSettingsSetting *setting, void *data)
{
SDL_ToolkitWindowX11 *window;
@@ -288,6 +416,18 @@ static void X11Toolkit_SettingsNotify(const char *name, XSettingsAction action,
window->scale = 0;
}
/* setup fonts */
#ifdef X_HAVE_UTF8_STRING
if (window->font_set) {
X11_XFreeFontSet(window->display, window->font_set);
}
#endif
if (window->font_struct) {
X11_XFreeFont(window->display, window->font_struct);
}
X11Toolkit_InitWindowFonts(window);
/* set up window */
if (window->scale != 0) {
window->window_width = SDL_lroundf((window->window_width/window->iscale) * window->scale);
@@ -307,67 +447,17 @@ static void X11Toolkit_SettingsNotify(const char *name, XSettingsAction action,
}
#endif
}
X11_XFreePixmap(window->display, window->drawable);
#ifndef NO_SHARED_MEMORY
if (window->shm) {
X11_XShmDetach(window->display, &window->shm_info);
XDestroyImage(window->image);
shmdt(window->shm_info.shmaddr);
window->image = X11_XShmCreateImage(window->display, window->visual, window->depth, ZPixmap, NULL, &window->shm_info, window->pixmap_width, window->pixmap_height);
if (window->image) {
window->shm_bytes_per_line = window->image->bytes_per_line;
window->shm_info.shmid = shmget(IPC_PRIVATE, window->image->bytes_per_line * window->image->height, IPC_CREAT | 0777);
if (window->shm_info.shmid < 0) {
XDestroyImage(window->image);
window->shm = false;
}
window->shm_info.readOnly = False;
window->shm_info.shmaddr = window->image->data = (char *)shmat(window->shm_info.shmid, 0, 0);
if (((signed char *)window->shm_info.shmaddr) == (signed char *)-1) {
XDestroyImage(window->image);
window->shm = false;
}
g_shm_error = False;
g_old_error_handler = X11_XSetErrorHandler(X11Toolkit_SharedMemoryErrorHandler);
X11_XShmAttach(window->display, &window->shm_info);
X11_XSync(window->display, False);
X11_XSetErrorHandler(g_old_error_handler);
if (g_shm_error) {
XDestroyImage(window->image);
shmdt(window->shm_info.shmaddr);
shmctl(window->shm_info.shmid, IPC_RMID, 0);
window->shm = false;
}
if (window->shm_pixmap) {
window->drawable = X11_XShmCreatePixmap(window->display, window->window, window->shm_info.shmaddr, &window->shm_info, window->pixmap_width, window->pixmap_height, window->depth);
if (window->drawable == None) {
window->shm_pixmap = False;
} else {
XDestroyImage(window->image);
}
}
shmctl(window->shm_info.shmid, IPC_RMID, 0);
} else {
window->shm = false;
}
}
#endif
#ifndef NO_SHARED_MEMORY
if (!window->shm_pixmap) {
window->drawable = X11_XCreatePixmap(window->display, window->window, window->pixmap_width, window->pixmap_height, window->depth);
}
#else
window->drawable = X11_XCreatePixmap(window->display, window->window, window->pixmap_width, window->pixmap_height, window->depth);
#endif
X11Toolkit_InitWindowPixmap(window);
} else {
if (!dbe_already_setup) {
X11_XFreePixmap(window->display, window->drawable);
#ifndef NO_SHARED_MEMORY
if (window->image) {
XDestroyImage(window->image);
window->image = NULL;
}
#endif
#ifdef SDL_VIDEO_DRIVER_X11_XDBE
if (SDL_X11_HAVE_XDBE && window->xdbe) {
window->buf = X11_XdbeAllocateBackBufferName(window->display, window->window, XdbeUndefined);
@@ -377,53 +467,6 @@ static void X11Toolkit_SettingsNotify(const char *name, XSettingsAction action,
}
}
/* setup fonts */
#ifdef X_HAVE_UTF8_STRING
if (window->font_set) {
X11_XFreeFontSet(window->display, window->font_set);
}
#endif
if (window->font_struct) {
X11_XFreeFont(window->display, window->font_struct);
}
#ifdef X_HAVE_UTF8_STRING
window->utf8 = true;
window->font_set = NULL;
if (SDL_X11_HAVE_UTF8) {
char **missing = NULL;
int num_missing = 0;
int i_font;
window->font_struct = NULL;
for (i_font = 0; g_ToolkitFont[i_font]; ++i_font) {
char *font;
SDL_asprintf(&font, g_ToolkitFont[i_font], G_TOOLKITFONT_SIZE * window->iscale);
window->font_set = X11_XCreateFontSet(window->display, font,
&missing, &num_missing, NULL);
SDL_free(font);
if (missing) {
X11_XFreeStringList(missing);
}
if (window->font_set) {
break;
}
}
if (!window->font_set) {
goto load_font_traditional;
}
} else
#endif
{
char *font;
load_font_traditional:
SDL_asprintf(&font, g_ToolkitFontLatin1, G_TOOLKITFONT_SIZE * window->iscale);
window->font_struct = X11_XLoadQueryFont(window->display, font);
SDL_free(font);
window->utf8 = false;
}
/* notify controls */
for (i = 0; i < window->controls_sz; i++) {
if (window->controls[i]->func_on_scale_change) {
@@ -579,52 +622,16 @@ SDL_ToolkitWindowX11 *X11Toolkit_CreateWindowStruct(SDL_Window *parent, SDL_Tool
window->scale = 0;
}
#ifdef X_HAVE_UTF8_STRING
window->utf8 = true;
window->font_set = NULL;
if (SDL_X11_HAVE_UTF8) {
char **missing = NULL;
int num_missing = 0;
int i_font;
window->font_struct = NULL;
for (i_font = 0; g_ToolkitFont[i_font]; ++i_font) {
char *font;
SDL_asprintf(&font, g_ToolkitFont[i_font], G_TOOLKITFONT_SIZE * window->iscale);
window->font_set = X11_XCreateFontSet(window->display, font,
&missing, &num_missing, NULL);
SDL_free(font);
if (missing) {
X11_XFreeStringList(missing);
}
if (window->font_set) {
break;
}
}
if (!window->font_set) {
goto load_font_traditional;
}
} else
#endif
{
char *font;
load_font_traditional:
SDL_asprintf(&font, g_ToolkitFontLatin1, G_TOOLKITFONT_SIZE * window->iscale);
window->font_struct = X11_XLoadQueryFont(window->display, font);
SDL_free(font);
window->utf8 = false;
if (!window->font_struct) {
ErrorCloseFreeRetNull("Couldn't load font %s", g_ToolkitFontLatin1, window);
}
}
/* Fonts */
X11Toolkit_InitWindowFonts(window);
/* Color hints */
if (!colorhints) {
colorhints = g_default_colors;
}
window->color_hints = colorhints;
// Convert colors to 16 bpc XColor format
/* Convert colors to 16 bpc XColor format */
for (i = 0; i < SDL_MESSAGEBOX_COLOR_COUNT; i++) {
window->xcolor[i].flags = DoRed|DoGreen|DoBlue;
window->xcolor[i].red = colorhints[i].r * 257;
@@ -672,7 +679,7 @@ SDL_ToolkitWindowX11 *X11Toolkit_CreateWindowStruct(SDL_Window *parent, SDL_Tool
window->visual = parent->internal->visual;
window->cmap = parent->internal->colormap;
X11_GetVisualInfoFromVisual(window->display, window->visual, &window->vi);
window->depth = window->vi.depth;
window->depth = window->vi.depth;
} else {
window->visual = DefaultVisual(window->display, window->screen);
window->cmap = DefaultColormap(window->display, window->screen);
@@ -973,7 +980,6 @@ bool X11Toolkit_CreateWindowRes(SDL_ToolkitWindowX11 *data, int w, int h, int cx
X11_XMapRaised(display, data->window);
data->drawable = data->window;
#ifdef SDL_VIDEO_DRIVER_X11_XDBE
// Initialise a back buffer for double buffering
if (SDL_X11_HAVE_XDBE && !data->pixmap) {
@@ -988,61 +994,7 @@ bool X11Toolkit_CreateWindowRes(SDL_ToolkitWindowX11 *data, int w, int h, int cx
}
#endif
if (data->pixmap) {
#ifndef NO_SHARED_MEMORY
if (!data->shm_pixmap) {
data->drawable = X11_XCreatePixmap(display, data->window, data->pixmap_width, data->pixmap_height, data->depth);
}
#else
data->drawable = X11_XCreatePixmap(display, data->window, data->pixmap_width, data->pixmap_height, data->depth);
#endif
#ifndef NO_SHARED_MEMORY
if (data->shm) {
data->image = X11_XShmCreateImage(display, data->visual, data->depth, ZPixmap, NULL, &data->shm_info, data->pixmap_width, data->pixmap_height);
if (data->image) {
data->shm_bytes_per_line = data->image->bytes_per_line;
data->shm_info.shmid = shmget(IPC_PRIVATE, data->image->bytes_per_line * data->image->height, IPC_CREAT | 0777);
if (data->shm_info.shmid < 0) {
XDestroyImage(data->image);
data->shm = false;
}
data->shm_info.readOnly = False;
data->shm_info.shmaddr = data->image->data = (char *)shmat(data->shm_info.shmid, 0, 0);
if (((signed char *)data->shm_info.shmaddr) == (signed char *)-1) {
XDestroyImage(data->image);
data->shm = false;
}
g_shm_error = False;
g_old_error_handler = X11_XSetErrorHandler(X11Toolkit_SharedMemoryErrorHandler);
X11_XShmAttach(display, &data->shm_info);
X11_XSync(display, False);
X11_XSetErrorHandler(g_old_error_handler);
if (g_shm_error) {
XDestroyImage(data->image);
shmdt(data->shm_info.shmaddr);
shmctl(data->shm_info.shmid, IPC_RMID, 0);
data->shm = false;
}
if (data->shm_pixmap) {
data->drawable = X11_XShmCreatePixmap(display, data->window, data->shm_info.shmaddr, &data->shm_info, data->pixmap_width, data->pixmap_height, data->depth);
if (data->drawable == None) {
data->shm_pixmap = False;
} else {
XDestroyImage(data->image);
}
}
shmctl(data->shm_info.shmid, IPC_RMID, 0);
} else {
data->shm = false;
}
}
#endif
}
X11Toolkit_InitWindowPixmap(data);
SDL_zero(ctx_vals);
ctx_vals.foreground = data->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].pixel;
@@ -1399,63 +1351,8 @@ void X11Toolkit_ResizeWindow(SDL_ToolkitWindowX11 *data, int w, int h) {
data->pixmap_width = w;
data->pixmap_height = h;
X11_XFreePixmap(data->display, data->drawable);
#ifndef NO_SHARED_MEMORY
if (!data->shm_pixmap) {
data->drawable = X11_XCreatePixmap(data->display, data->window, data->pixmap_width, data->pixmap_height, data->depth);
}
#else
data->drawable = X11_XCreatePixmap(data->display, data->window, data->pixmap_width, data->pixmap_height, data->depth);
#endif
#ifndef NO_SHARED_MEMORY
if (data->shm) {
X11_XShmDetach(data->display, &data->shm_info);
XDestroyImage(data->image);
shmdt(data->shm_info.shmaddr);
data->image = X11_XShmCreateImage(data->display, data->visual, data->depth, ZPixmap, NULL, &data->shm_info, data->pixmap_width, data->pixmap_height);
if (data->image) {
data->shm_bytes_per_line = data->image->bytes_per_line;
data->shm_info.shmid = shmget(IPC_PRIVATE, data->image->bytes_per_line * data->image->height, IPC_CREAT | 0777);
if (data->shm_info.shmid < 0) {
XDestroyImage(data->image);
data->shm = false;
}
data->shm_info.readOnly = False;
data->shm_info.shmaddr = data->image->data = (char *)shmat(data->shm_info.shmid, 0, 0);
if (((signed char *)data->shm_info.shmaddr) == (signed char *)-1) {
XDestroyImage(data->image);
data->shm = false;
}
g_shm_error = False;
g_old_error_handler = X11_XSetErrorHandler(X11Toolkit_SharedMemoryErrorHandler);
X11_XShmAttach(data->display, &data->shm_info);
X11_XSync(data->display, False);
X11_XSetErrorHandler(g_old_error_handler);
if (g_shm_error) {
XDestroyImage(data->image);
shmdt(data->shm_info.shmaddr);
shmctl(data->shm_info.shmid, IPC_RMID, 0);
data->shm = false;
}
if (data->shm_pixmap) {
data->drawable = X11_XShmCreatePixmap(data->display, data->window, data->shm_info.shmaddr, &data->shm_info, data->pixmap_width, data->pixmap_height, data->depth);
if (data->drawable == None) {
data->shm_pixmap = False;
} else {
XDestroyImage(data->image);
}
}
shmctl(data->shm_info.shmid, IPC_RMID, 0);
} else {
data->shm = false;
}
}
#endif
}
X11Toolkit_InitWindowPixmap(data);
}
X11_XResizeWindow(data->display, data->window, data->window_width, data->window_height);
}