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X11TK: Implement high contrast, dark themes and fix up some more positioning code (#14055)

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This commit is contained in:
eafton
2025-09-26 20:30:28 +03:00
committed by GitHub
parent 1d2a482dde
commit cd9919dc51
1 changed files with 103 additions and 18 deletions
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121
src/video/x11/SDL_x11toolkit.c
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@@ -25,6 +25,9 @@
#include "../../SDL_list.h"
#include "SDL_x11video.h"
#ifdef SDL_USE_LIBDBUS
#include "../../core/linux/SDL_system_theme.h"
#endif
#include "SDL_x11dyn.h"
#include "SDL_x11toolkit.h"
#include "SDL_x11settings.h"
@@ -135,6 +138,35 @@ static const SDL_MessageBoxColor g_default_colors[SDL_MESSAGEBOX_COLOR_COUNT] =
{ 235, 235, 235 }, // SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED,
};
#ifdef SDL_USE_LIBDBUS
static const SDL_MessageBoxColor g_default_colors_dark[SDL_MESSAGEBOX_COLOR_COUNT] = {
{ 20, 20, 20 }, // SDL_MESSAGEBOX_COLOR_BACKGROUND,
{ 192, 192, 192 }, // SDL_MESSAGEBOX_COLOR_TEXT,
{ 12, 12, 12 }, // SDL_MESSAGEBOX_COLOR_BUTTON_BORDER,
{ 20, 20, 20 }, // SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND,
{ 36, 36, 36 }, // SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED,
};
#if 0
static const SDL_MessageBoxColor g_default_colors_dark_high_contrast[SDL_MESSAGEBOX_COLOR_COUNT] = {
{ 0, 0, 0 }, // SDL_MESSAGEBOX_COLOR_BACKGROUND,
{ 255, 255, 255 }, // SDL_MESSAGEBOX_COLOR_TEXT,
{ 20, 235, 255 }, // SDL_MESSAGEBOX_COLOR_BUTTON_BORDER,
{ 0, 0, 0 }, // SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND,
{ 125, 5, 125 }, // SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED,
};
static const SDL_MessageBoxColor g_default_colors_light_high_contrast[SDL_MESSAGEBOX_COLOR_COUNT] = {
{ 255, 255, 255 }, // SDL_MESSAGEBOX_COLOR_BACKGROUND,
{ 0, 0, 0 }, // SDL_MESSAGEBOX_COLOR_TEXT,
{ 0, 0, 0 }, // SDL_MESSAGEBOX_COLOR_BUTTON_BORDER,
{ 255, 255, 255 }, // SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND,
{ 20, 230, 255 }, // SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED,
};
#endif
#endif
static int g_shm_error;
static int (*g_old_error_handler)(Display *, XErrorEvent *) = NULL;
@@ -545,6 +577,9 @@ SDL_ToolkitWindowX11 *X11Toolkit_CreateWindowStruct(SDL_Window *parent, SDL_Tool
{
SDL_ToolkitWindowX11 *window;
int i;
#ifdef SDL_USE_LIBDBUS
SDL_SystemTheme theme;
#endif
#define ErrorFreeRetNull(x, y) SDL_SetError(x); SDL_free(y); return NULL;
#define ErrorCloseFreeRetNull(x, y, z) X11_XCloseDisplay(z->display); SDL_SetError(x, y); SDL_free(z); return NULL;
@@ -637,8 +672,33 @@ SDL_ToolkitWindowX11 *X11Toolkit_CreateWindowStruct(SDL_Window *parent, SDL_Tool
X11Toolkit_InitWindowFonts(window);
/* Color hints */
#ifdef SDL_USE_LIBDBUS
theme = SDL_SYSTEM_THEME_LIGHT;
if (SDL_SystemTheme_Init()) {
theme = SDL_SystemTheme_Get();
}
#endif
if (!colorhints) {
#ifdef SDL_USE_LIBDBUS
switch (theme) {
case SDL_SYSTEM_THEME_DARK:
colorhints = g_default_colors_dark;
break;
#if 0
case SDL_SYSTEM_THEME_LIGHT_HIGH_CONTRAST:
colorhints = g_default_colors_light_high_contrast;
break;
case SDL_SYSTEM_THEME_DARK_HIGH_CONTRAST:
colorhints = g_default_colors_dark_high_contrast;
break;
#endif
default:
colorhints = g_default_colors;
}
#else
colorhints = g_default_colors;
#endif
}
window->color_hints = colorhints;
@@ -1421,19 +1481,19 @@ static void X11Toolkit_DrawIconControl(SDL_ToolkitControlX11 *control) {
static void X11Toolkit_CalculateIconControl(SDL_ToolkitControlX11 *base_control) {
SDL_ToolkitIconControlX11 *control;
int icon_char_w;
int icon_char_max;
int icon_wh;
control = (SDL_ToolkitIconControlX11 *)base_control;
X11Toolkit_GetTextWidthHeightForFont(control->icon_char_font, &control->icon_char, 1, &icon_char_w, &control->icon_char_h, &control->icon_char_a);
base_control->rect.w = icon_char_w + SDL_TOOLKIT_X11_ELEMENT_PADDING * 2 * base_control->window->iscale;
base_control->rect.h = control->icon_char_h + SDL_TOOLKIT_X11_ELEMENT_PADDING * 2 * base_control->window->iscale;
icon_char_max = SDL_max(base_control->rect.w, base_control->rect.h) + 2;
base_control->rect.w = icon_char_max;
base_control->rect.h = icon_char_max;
base_control->rect.w = icon_char_w;
base_control->rect.h = control->icon_char_h;
icon_wh = SDL_max(icon_char_w, control->icon_char_h) + SDL_TOOLKIT_X11_ELEMENT_PADDING * 2 * base_control->window->iscale;
base_control->rect.w = icon_wh;
base_control->rect.h = icon_wh;
base_control->rect.y = 0;
base_control->rect.x = 0;
control->icon_char_y = control->icon_char_a + (base_control->rect.h - control->icon_char_h)/2;
control->icon_char_x = (base_control->rect.w - icon_char_w)/2 + 1;
control->icon_char_x = (base_control->rect.w - icon_char_w)/2;
base_control->rect.w += 2 * base_control->window->iscale;
base_control->rect.h += 2 * base_control->window->iscale;
}
@@ -1547,9 +1607,29 @@ SDL_ToolkitControlX11 *X11Toolkit_CreateIconControl(SDL_ToolkitWindowX11 *window
return NULL;
}
control->xcolor_bg_shadow.flags = DoRed|DoGreen|DoBlue;
control->xcolor_bg_shadow.red = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].red - 12500, 0, 65535);
control->xcolor_bg_shadow.green = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].green - 12500, 0, 65535);
control->xcolor_bg_shadow.blue = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].blue - 12500, 0, 65535);
if (window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].red > 32896) {
control->xcolor_bg_shadow.red = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].red - 12500, 0, 65535);
} else if (window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].red == 0) {
control->xcolor_bg_shadow.red = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].red + 9000, 0, 65535);
} else {
control->xcolor_bg_shadow.red = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].red - 3000, 0, 65535);
}
if (window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].green > 32896) {
control->xcolor_bg_shadow.green = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].green - 12500, 0, 65535);
} else if (window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].green == 0) {
control->xcolor_bg_shadow.green = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].green + 9000, 0, 65535);
} else {
control->xcolor_bg_shadow.green = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].green - 3000, 0, 65535);
}
if (window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].blue > 32896) {
control->xcolor_bg_shadow.blue = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].blue - 12500, 0, 65535);
} else if (window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].blue == 0) {
control->xcolor_bg_shadow.blue = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].blue + 9000, 0, 65535);
} else {
control->xcolor_bg_shadow.blue = SDL_clamp(window->xcolor[SDL_MESSAGEBOX_COLOR_BACKGROUND].blue - 3000, 0, 65535);
}
X11_XAllocColor(window->display, window->cmap, &control->xcolor_bg_shadow);
/* Sizing and positioning */
@@ -1889,36 +1969,39 @@ static void X11Toolkit_DestroyLabelControl(SDL_ToolkitControlX11 *control) {
SDL_free(label_control);
}
static void X11Toolkit_CalculateLabelControl(SDL_ToolkitControlX11 *base_control) {
SDL_ToolkitLabelControlX11 *control;
int last_h;
int ascent;
int descent;
int w;
int h;
int i;
last_h = 0;
control = (SDL_ToolkitLabelControlX11 *)base_control;
for (i = 0; i < control->sz; i++) {
X11Toolkit_GetTextWidthHeight(base_control->window, control->lines[i], control->szs[i], &w, &h, &ascent, &descent);
if (i > 0) {
control->y[i] = ascent + descent + control->y[i-1];
base_control->rect.h += ascent + descent + h;
} else {
control->y[i] = ascent;
base_control->rect.h = h;
}
last_h = h;
}
base_control->rect.h = control->y[control->sz -1] + last_h;
}
SDL_ToolkitControlX11 *X11Toolkit_CreateLabelControl(SDL_ToolkitWindowX11 *window, char *utf8) {
SDL_ToolkitLabelControlX11 *control;
SDL_ToolkitControlX11 *base_control;
int last_h;
int ascent;
int descent;
int i;
if (!utf8) {
return NULL;
}
@@ -1945,6 +2028,7 @@ SDL_ToolkitControlX11 *X11Toolkit_CreateLabelControl(SDL_ToolkitWindowX11 *windo
control->lines = (char **)SDL_malloc(sizeof(char *) * control->sz);
control->y = (int *)SDL_calloc(control->sz, sizeof(int));
control->szs = (size_t *)SDL_calloc(control->sz, sizeof(size_t));
last_h = 0;
for (i = 0; i < control->sz; i++) {
const char *lf = SDL_strchr(utf8, '\n');
const int length = lf ? (lf - utf8) : SDL_strlen(utf8);
@@ -1962,19 +2046,20 @@ SDL_ToolkitControlX11 *X11Toolkit_CreateLabelControl(SDL_ToolkitWindowX11 *windo
if (i > 0) {
control->y[i] = ascent + descent + control->y[i-1];
base_control->rect.h += ascent + descent + h;
} else {
control->y[i] = ascent;
base_control->rect.h = h;
}
last_h = h;
utf8 += length + 1;
if (!lf) {
break;
}
}
}
base_control->rect.h = control->y[control->sz -1] + last_h;
X11Toolkit_AddControlToWindow(window, base_control);
return base_control;
}