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#include "stdafx.h"
#include "Defaults.h"
#include "Win32Dpi.h"
namespace gui {
#ifdef GUI_WIN32
static Font *defaultFont(EnginePtr e) {
NONCLIENTMETRICS ncm;
ncm.cbSize = sizeof(ncm);
BOOL ok = dpiSystemParametersInfo(SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, 0, defaultDpi);
if (!ok) {
// If it failed, try without the iPaddedBorderWidth, as that seems to be new for some
// versions of the API.
ncm.cbSize = sizeof(ncm) - sizeof(ncm.iPaddedBorderWidth);
ok = dpiSystemParametersInfo(SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, 0, defaultDpi);
}
if (!ok) {
// Fall back to the plain version of the system call in case the DPI aware version does
// not work as we expect for some reason.
ncm.cbSize = sizeof(ncm) - sizeof(ncm.iPaddedBorderWidth);
ok = SystemParametersInfo(SPI_GETNONCLIENTMETRICS, ncm.cbSize, &ncm, 0);
}
if (!ok) {
WARNING(L"Failed to get the default system font.");
LOGFONT &f = ncm.lfMessageFont;
zeroMem(f);
// These defaults are based on some sane defaults for Windows XP.
f.lfHeight = -12;
f.lfWeight = 400;
wcscpy_s(f.lfFaceName, LF_FACESIZE, L"Segoe UI");
}
return new (e.v) Font(ncm.lfMessageFont);
}
Defaults sysDefaults(EnginePtr e) {
Defaults d = {
defaultFont(e),
color(GetSysColor(COLOR_BTNFACE)), // Same as COLOR_3DFACE, which is for dialogs etc.
color(GetSysColor(COLOR_BTNTEXT)),
};
return d;
}
#endif
#ifdef GUI_GTK
static Font *defaultFont(EnginePtr e, GtkStyleContext *style) {
const PangoFontDescription *desc = null;
gtk_style_context_get(style, GTK_STATE_FLAG_NORMAL, "font", &desc, NULL);
return new (e.v) Font(*desc);
}
static Color backgroundColor(EnginePtr e, GtkStyleContext *style) {
cairo_surface_t *surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, 1, 1);
cairo_t *cairo = cairo_create(surface);
cairo_set_source_rgb(cairo, 0, 1, 0);
cairo_paint(cairo);
gtk_render_background(style, cairo, 0, 0, 1, 1);
cairo_surface_flush(surface);
cairo_destroy(cairo);
uint32_t data = *(uint32_t *)cairo_image_surface_get_data(surface);
uint32_t r = (data >> 16) & 0xFF;
uint32_t g = (data >> 8) & 0xFF;
uint32_t b = (data >> 0) & 0xFF;
cairo_surface_destroy(surface);
return Color(byte(r), byte(g), byte(b));
}
static Color foregroundColor(EnginePtr e, GtkStyleContext *style) {
GdkRGBA color;
gtk_style_context_get_color(style, GTK_STATE_FLAG_NORMAL, &color);
return Color(Float(color.red), Float(color.green), Float(color.blue), Float(color.alpha));
}
Defaults sysDefaults(EnginePtr e) {
GtkWidget *dummyLabel = gtk_label_new("dummy");
GtkWidget *dummyWindow = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_container_add(GTK_CONTAINER(dummyWindow), dummyLabel);
GtkStyleContext *labelStyle = gtk_widget_get_style_context(dummyLabel);
GtkStyleContext *windowStyle = gtk_widget_get_style_context(dummyWindow);
Defaults d = {
defaultFont(e, labelStyle),
backgroundColor(e, windowStyle),
foregroundColor(e, labelStyle),
};
gtk_widget_destroy(dummyLabel);
gtk_widget_destroy(dummyWindow);
return d;
}
#endif
}
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