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comparison gtk/dw.c @ 1054:818698b4a0df

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Added dw_font_choose() on GTK2 for 2.1. Also a fix on GTK3 to prevent multiple dialogs from being active.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Thu, 02 Jun 2011 10:12:08 +0000
parents 80cd7fed4995
children fadb18121c56
comparison
equal deleted inserted replaced
1053:0725114533fe 1054:818698b4a0df
2721 } 2721 }
2722 #endif 2722 #endif
2723 return retval; 2723 return retval;
2724 } 2724 }
2725 2725
2726 static int _dw_font_active = 0;
2727
2728 /* Internal function to handle the font OK press */
2729 static gint _gtk_font_ok(GtkWidget *widget, DWDialog *dwwait)
2730 {
2731 GtkFontSelectionDialog *fd;
2732 char *retfont = NULL;
2733 gchar *fontname;
2734 int len, x;
2735
2736 if(!dwwait)
2737 return FALSE;
2738
2739 fd = dwwait->data;
2740 fontname = gtk_font_selection_dialog_get_font_name(fd);
2741 if(fontname && (retfont = strdup(fontname)))
2742 {
2743 len = strlen(fontname);
2744 /* Convert to Dynamic Windows format if we can... */
2745 if(len > 0 && isdigit(fontname[len-1]))
2746 {
2747 int size;
2748
2749 x=len-1;
2750 while(x > 0 && fontname[x] != ' ')
2751 {
2752 x--;
2753 }
2754 size = atoi(&fontname[x]);
2755 /* If we were able to find a valid size... */
2756 if(size > 0)
2757 {
2758 /* Null terminate after the name...
2759 * and create the Dynamic Windows style font.
2760 */
2761 fontname[x] = 0;
2762 snprintf(retfont, len+1, "%d.%s", size, fontname);
2763 }
2764 }
2765 dw_free(fontname);
2766 }
2767 gtk_widget_destroy(GTK_WIDGET(fd));
2768 _dw_font_active = 0;
2769 dw_dialog_dismiss(dwwait, (void *)retfont);
2770 return FALSE;
2771 }
2772
2773 /* Internal function to handle the font Cancel press */
2774 static gint _gtk_font_cancel(GtkWidget *widget, DWDialog *dwwait)
2775 {
2776 if(!dwwait)
2777 return FALSE;
2778
2779 gtk_widget_destroy(GTK_WIDGET(dwwait->data));
2780 _dw_font_active = 0;
2781 dw_dialog_dismiss(dwwait, NULL);
2782 return FALSE;
2783 }
2784
2785 /* Allows the user to choose a font using the system's font chooser dialog.
2786 * Parameters:
2787 * currfont: current font
2788 * Returns:
2789 * A malloced buffer with the selected font or NULL on error.
2790 */
2791 char * API dw_font_choose(char *currfont)
2792 {
2793 GtkFontSelectionDialog *fd;
2794 char *font = currfont ? strdup(currfont) : NULL;
2795 char *name = font ? strchr(font, '.') : NULL;
2796 int _locked_by_me = FALSE;
2797 char *retfont = NULL;
2798 DWDialog *dwwait;
2799
2800 /* Detect Dynamic Windows style font name...
2801 * Format: ##.Fontname
2802 * and convert to a Pango name
2803 */
2804 if(name && isdigit(*font))
2805 {
2806 int size = atoi(font);
2807 *name = 0;
2808 name++;
2809 sprintf(font, "%s %d", name, size);
2810 }
2811
2812 DW_MUTEX_LOCK;
2813 /* The DW mutex should be sufficient for
2814 * insuring no thread changes this unknowingly.
2815 */
2816 if(_dw_font_active)
2817 {
2818 DW_MUTEX_UNLOCK;
2819 if(name)
2820 free(name);
2821 return NULL;
2822 }
2823 fd = (GtkFontSelectionDialog *)gtk_font_selection_dialog_new("Choose font");
2824 if(name)
2825 {
2826 gtk_font_selection_dialog_set_font_name(fd, name);
2827 free(name);
2828 }
2829
2830 _dw_font_active = 1;
2831
2832 dwwait = dw_dialog_new((void *)fd);
2833
2834 g_signal_connect(G_OBJECT(fd->ok_button), "clicked", G_CALLBACK(_gtk_font_ok), dwwait);
2835 g_signal_connect(G_OBJECT(fd->cancel_button), "clicked", G_CALLBACK(_gtk_font_cancel), dwwait);
2836
2837 gtk_widget_show(GTK_WIDGET(fd));
2838
2839 retfont = (char *)dw_dialog_wait(dwwait);
2840 DW_MUTEX_UNLOCK;
2841 return retfont;
2842 }
2843
2726 /* 2844 /*
2727 * Sets the font used by a specified window (widget) handle. 2845 * Sets the font used by a specified window (widget) handle.
2728 * Parameters: 2846 * Parameters:
2729 * handle: The window (widget) handle. 2847 * handle: The window (widget) handle.
2730 * fontname: Name and size of the font in the form "size.fontname" 2848 * fontname: Name and size of the font in the form "size.fontname"