Draw letters on the tools

1 files changed, 66 insertions, 1 deletions

diff --git a/toolbar.c b/toolbar.c
index 74b7709..e4055bd 100644
--- a/toolbar.c
+++ b/toolbar.c
@@ -1,12 +1,31 @@
 #include "toolbar.h"
 
-#define N_TOOLS 9
 #define TOOL_SIZE 72
 #define CORNER_SIZE 12
 #define BORDER_WIDTH 2
 #define MARGIN 6
 #define COLOR 1.4 * (0x58 / 255.0), 1.4 * (0x75 / 255.0), 1.4 * (0xA7 / 255.0)
 #define STROKE_COLOR (0x58 / 255.0), (0x75 / 255.0), (0xA7 / 255.0)
+#define N_TOOLS (sizeof (tools) / sizeof (tools[0]))
+
+typedef struct
+{
+    const char*			name;
+    FooScrollAreaEventFunc	event;
+} ToolInfo;
+
+static const ToolInfo tools[] =
+{
+    { "T", NULL },
+    { "R", NULL },
+    { "E", NULL },
+    { "P", NULL },
+    { "L", NULL },
+    { "I", NULL },
+    { "H", NULL },
+    { "V", NULL },
+    { "N", NULL },
+};
 
 struct Toolbar
 {
@@ -26,6 +45,50 @@ toolbar_get_width (Toolbar *bar)
     return BORDER_WIDTH + TOOL_SIZE;
 }
 
+static void
+layout_set_font (PangoLayout *layout, const char *font)
+{
+    PangoFontDescription *desc = pango_font_description_from_string (font);
+    
+    pango_layout_set_font_description (layout, desc);
+    
+    pango_font_description_free (desc);
+}
+
+static void
+draw_number (FooScrollArea *area,
+	     cairo_t *cr,
+	     int      number,
+	     int      x,
+	     int      y)
+{
+    PangoLayout *layout;
+    char *string = g_strdup_printf (tools[number].name);
+    PangoRectangle logical, ink;
+
+    cairo_save (cr);
+    
+    layout = gtk_widget_create_pango_layout (GTK_WIDGET (area), string);
+
+    layout_set_font (layout, "Sans Bold 24");
+    
+    pango_layout_get_pixel_extents (layout, &ink, &logical);
+
+    x += (TOOL_SIZE - logical.width) / 2 - logical.x - BORDER_WIDTH / 2;
+    y += (TOOL_SIZE - logical.height) / 2 - logical.y - BORDER_WIDTH / 2;
+    
+    cairo_move_to (cr, x, y);
+
+    cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 1.0);
+    
+    pango_cairo_show_layout (cr, layout);
+
+    cairo_restore (cr);
+    
+    g_object_unref (layout);
+    g_free (string);
+}
+
 void
 toolbar_paint (Toolbar *bar,
 	       FooScrollArea *scroll_area,
@@ -79,6 +142,8 @@ toolbar_paint (Toolbar *bar,
 	
 	cairo_stroke (cr);
 
+	draw_number (scroll_area, cr, i, x, y);
+	
 	cairo_move_to (cr, x, y + TOOL_SIZE + MARGIN);
     }
 }