76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
// 14 april 2016
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#include "uipriv_unix.h"
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struct uiFontButton {
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uiUnixControl c;
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GtkWidget *widget;
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GtkButton *button;
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GtkFontButton *fb;
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GtkFontChooser *fc;
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void (*onChanged)(uiFontButton *, void *);
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void *onChangedData;
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};
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uiUnixDefineControl(
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uiFontButton, // type name
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uiFontButtonType // type function
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)
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// TODO NOTE no need to inhibit the signal; font-set is documented as only being sent when the user changes the font
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static void onFontSet(GtkFontButton *button, gpointer data)
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{
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uiFontButton *b = uiFontButton(data);
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(*(b->onChanged))(b, b->onChangedData);
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}
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static void defaultOnChanged(uiFontButton *b, void *data)
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{
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// do nothing
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}
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uiDrawTextFont *uiFontButtonFont(uiFontButton *b)
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{
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PangoFont *f;
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PangoFontDescription *desc;
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desc = gtk_font_chooser_get_font_desc(b->fc);
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f = pangoDescToPangoFont(desc);
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// desc is transfer-full and thus is a copy
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pango_font_description_free(desc);
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return mkTextFont(f, FALSE); // we hold the initial reference; no need to ref
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}
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void uiFontButtonOnChanged(uiFontButton *b, void (*f)(uiFontButton *, void *), void *data)
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{
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b->onChanged = f;
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b->onChangedData = data;
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}
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uiFontButton *uiNewFontButton(void)
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{
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uiFontButton *b;
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b = (uiFontButton *) uiNewControl(uiFontButtonType());
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b->widget = gtk_font_button_new();
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b->button = GTK_BUTTON(b->widget);
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b->fb = GTK_FONT_BUTTON(b->widget);
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b->fc = GTK_FONT_CHOOSER(b->widget);
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// match behavior on other platforms
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gtk_font_button_set_show_style(b->fb, TRUE);
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gtk_font_button_set_show_size(b->fb, TRUE);
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gtk_font_button_set_use_font(b->fb, FALSE);
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gtk_font_button_set_use_size(b->fb, FALSE);
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// other customizations
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gtk_font_chooser_set_show_preview_entry(b->fc, TRUE);
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g_signal_connect(b->widget, "font-set", G_CALLBACK(onFontSet), b);
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uiFontButtonOnChanged(b, defaultOnChanged, NULL);
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uiUnixFinishNewControl(b, uiFontButton);
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return b;
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}
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