missing files

svn path=/trunk/; revision=1398

1 files changed, 128 insertions, 0 deletions

diff --git a/widgets/e-cursors.c b/widgets/e-cursors.c
new file mode 100644
index 0000000000..acd69a0554
--- /dev/null
+++ b/widgets/e-cursors.c
@@ -0,0 +1,128 @@
+/*
+ * cursors.c: cursor handling for Evolution.
+ *            copied from Gnumeric.
+ *
+ * Authors:
+ *   Miguel de Icaza (miguel@gnu.org)
+ */
+#include <config.h>
+#include <gnome.h>
+#include "e-cursors.h"
+
+static GdkColor black, white;
+
+#define GDK_INTERNAL_CURSOR -1
+
+typedef struct {
+	GdkCursor *cursor;
+	int       hot_x, hot_y;
+	char      **xpm;
+} CursorDef;
+
+static CursorDef cursors [] = {
+	{ NULL, GDK_INTERNAL_CURSOR,   GDK_CROSSHAIR,         NULL },
+	{ NULL, GDK_INTERNAL_CURSOR,   GDK_ARROW,             NULL },
+	{ NULL, GDK_INTERNAL_CURSOR,   GDK_FLEUR,             NULL },
+	{ NULL, GDK_INTERNAL_CURSOR,   GDK_SB_H_DOUBLE_ARROW, NULL },
+	{ NULL, GDK_INTERNAL_CURSOR,   GDK_SB_V_DOUBLE_ARROW, NULL },
+	{ NULL, 0,    0,  NULL }
+};
+
+
+static void
+create_bitmap_and_mask_from_xpm (GdkBitmap **bitmap, GdkBitmap **mask, gchar **xpm)
+{
+	int height, width, colors;
+	char pixmap_buffer [(32 * 32)/8];
+	char mask_buffer [(32 * 32)/8];
+	int x, y, pix, yofs;
+	int transparent_color, black_color;
+
+	sscanf (xpm [0], "%d %d %d %d", &height, &width, &colors, &pix);
+
+	g_assert (height == 32);
+	g_assert (width  == 32);
+	g_assert (colors <= 3);
+
+	transparent_color = ' ';
+	black_color = '.';
+
+	yofs = colors + 1;
+	for (y = 0; y < 32; y++){
+		for (x = 0; x < 32;){
+			char value = 0, maskv = 0;
+
+			for (pix = 0; pix < 8; pix++, x++){
+				if (xpm [y + yofs][x] != transparent_color){
+					maskv |= 1 << pix;
+
+					/*
+					 * Invert the colours here because it seems
+					 * to workaround a bug the Matrox G100 Xserver?
+					 * We reverse the foreground & background in the next
+					 * routine to compensate.
+					 */
+					if (xpm [y + yofs][x] == black_color){
+						value |= 1 << pix;
+					}
+				}
+			}
+			pixmap_buffer [(y * 4 + x/8)-1] = value;
+			mask_buffer [(y * 4 + x/8)-1] = maskv;
+		}
+	}
+	*bitmap = gdk_bitmap_create_from_data (NULL, pixmap_buffer, 32, 32);
+	*mask   = gdk_bitmap_create_from_data (NULL, mask_buffer, 32, 32);
+}
+
+void
+e_cursors_init (void)
+{
+	GdkColormap *colormap;
+	int i;
+
+	colormap = gtk_widget_get_default_colormap ();
+	gdk_color_white (colormap, &white);
+	gdk_color_black (colormap, &black);
+	
+	for (i = 0; cursors [i].hot_x; i++){
+		GdkBitmap *bitmap, *mask;
+
+		if (cursors [i].hot_x < 0)
+			cursors [i].cursor = gdk_cursor_new (cursors [i].hot_y);
+		else {
+			create_bitmap_and_mask_from_xpm (&bitmap, &mask, cursors [i].xpm);
+
+			/* The foreground and background colours are reversed.
+			 * See comment above for explanation.
+			 */
+			cursors [i].cursor =
+				gdk_cursor_new_from_pixmap (
+					bitmap, mask,
+					&black, &white,
+					cursors [i].hot_x,
+					cursors [i].hot_y);
+		}
+	}
+
+	g_assert (i == E_NUM_CURSORS);
+}
+
+void
+e_cursors_shutdown (void)
+{
+	int i;
+
+	for (i = 0; cursors [i].hot_x; i++)
+		gdk_cursor_destroy (cursors [i].cursor);
+}
+
+
+/* Returns a cursor given its type */
+GdkCursor *
+e_cursor_get (ECursorType type)
+{
+	g_return_val_if_fail (type >= 0 && type < E_NUM_CURSORS, NULL);
+
+	return cursors [type].cursor;
+}