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-rw-r--r--e-util/e-cursors.c128
-rw-r--r--e-util/e-cursors.h33
-rw-r--r--widgets/e-cursors.c128
-rw-r--r--widgets/e-cursors.h33
4 files changed, 322 insertions, 0 deletions
diff --git a/e-util/e-cursors.c b/e-util/e-cursors.c
new file mode 100644
index 0000000000..acd69a0554
--- /dev/null
+++ b/e-util/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;
+}
diff --git a/e-util/e-cursors.h b/e-util/e-cursors.h
new file mode 100644
index 0000000000..771e5f6d4d
--- /dev/null
+++ b/e-util/e-cursors.h
@@ -0,0 +1,33 @@
+#ifndef E_CURSORS_H
+#define E_CURSORS_H
+
+/* Copied from Gnumeric */
+
+typedef enum {
+ E_CURSOR_THIN_CROSS,
+ E_CURSOR_ARROW,
+ E_CURSOR_MOVE,
+ E_CURSOR_SIZE_X,
+ E_CURSOR_SIZE_Y,
+ E_NUM_CURSORS
+} ECursorType;
+
+void e_cursors_init (void);
+void e_cursors_shutdown (void);
+
+#define e_cursor_set(win, c) \
+G_STMT_START { \
+ if (win) \
+ gdk_window_set_cursor (win, e_cursor_get (c)); \
+} G_STMT_END
+
+#define e_cursor_set_widget(w, c) \
+G_STMT_START { \
+ if (GTK_WIDGET (w)->window) \
+ gdk_window_set_cursor (GTK_WIDGET (w)->window, e_cursor_get (c)); \
+} G_STMT_END
+
+GdkCursor *e_cursor_get (ECursorType type);
+
+#endif /* E_CURSORS_H */
+
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;
+}
diff --git a/widgets/e-cursors.h b/widgets/e-cursors.h
new file mode 100644
index 0000000000..771e5f6d4d
--- /dev/null
+++ b/widgets/e-cursors.h
@@ -0,0 +1,33 @@
+#ifndef E_CURSORS_H
+#define E_CURSORS_H
+
+/* Copied from Gnumeric */
+
+typedef enum {
+ E_CURSOR_THIN_CROSS,
+ E_CURSOR_ARROW,
+ E_CURSOR_MOVE,
+ E_CURSOR_SIZE_X,
+ E_CURSOR_SIZE_Y,
+ E_NUM_CURSORS
+} ECursorType;
+
+void e_cursors_init (void);
+void e_cursors_shutdown (void);
+
+#define e_cursor_set(win, c) \
+G_STMT_START { \
+ if (win) \
+ gdk_window_set_cursor (win, e_cursor_get (c)); \
+} G_STMT_END
+
+#define e_cursor_set_widget(w, c) \
+G_STMT_START { \
+ if (GTK_WIDGET (w)->window) \
+ gdk_window_set_cursor (GTK_WIDGET (w)->window, e_cursor_get (c)); \
+} G_STMT_END
+
+GdkCursor *e_cursor_get (ECursorType type);
+
+#endif /* E_CURSORS_H */
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 10:16:12 +0800