aboutsummaryrefslogtreecommitdiffstats
path: root/calendar/gui/gnome-month-item.c
diff options
context:
space:
mode:
Diffstat (limited to 'calendar/gui/gnome-month-item.c')
-rw-r--r--calendar/gui/gnome-month-item.c206
1 files changed, 147 insertions, 59 deletions
diff --git a/calendar/gui/gnome-month-item.c b/calendar/gui/gnome-month-item.c
index b0dded9a66..fa1ea79e48 100644
--- a/calendar/gui/gnome-month-item.c
+++ b/calendar/gui/gnome-month-item.c
@@ -152,6 +152,146 @@ gnome_month_item_class_init (GnomeMonthItemClass *class)
object_class->get_arg = gnome_month_item_get_arg;
}
+/* Calculates the minimum heading height based on the heading font size and padding. It also
+ * calculates the minimum width of the month item based on the width of the headings.
+ */
+static void
+check_heading_sizes (GnomeMonthItem *mitem)
+{
+ double m_height;
+ double m_width;
+ int width;
+ int max_width;
+ int i;
+
+ /* Calculate minimum height */
+
+ m_height = mitem->head_font->ascent + mitem->head_font->descent + 2 * mitem->head_padding;
+
+ if (mitem->head_height < m_height)
+ mitem->head_height = m_height;
+
+ /* Go through each heading and remember the widest one */
+
+ max_width = 0;
+
+ for (i = 0; i < 7; i++) {
+ width = gdk_string_width (mitem->head_font, mitem->day_names[i]);
+ if (max_width < width)
+ max_width = width;
+ }
+
+ m_width = 7 * (max_width + 2 * mitem->head_padding);
+
+ if (mitem->width < m_width)
+ mitem->width = m_width;
+}
+
+/* Calculates the minimum width and height of the month item based on the day font size and padding.
+ * Assumes that the minimum heading height has already been computed.
+ */
+static void
+check_day_sizes (GnomeMonthItem *mitem)
+{
+ double m_height;
+ double m_width;
+ int width;
+ int max_width;
+ char buf[100];
+ int i;
+
+ /* Calculate minimum height */
+
+ m_height = mitem->head_height + 6 * (mitem->day_font->ascent + mitem->day_font->descent + 2 * mitem->day_padding);
+
+ if (mitem->height < m_height)
+ mitem->height = m_height;
+
+ /* Calculate minimum width */
+
+ max_width = 0;
+
+ for (i = 1; i < 32; i++) {
+ sprintf (buf, "%d", i);
+ width = gdk_string_width (mitem->day_font, buf);
+ if (max_width < width)
+ max_width = width;
+ }
+
+ m_width = 7 * (max_width + 2 * mitem->day_padding);
+
+ if (mitem->width < m_width)
+ mitem->width = m_width;
+}
+
+/* Calculates the minimum size of the month item based on the font sizes and paddings. If the
+ * current size of the month item is smaller than the required minimum size, this function will
+ * change the size to the appropriate values.
+ */
+static void
+check_sizes (GnomeMonthItem *mitem)
+{
+ check_heading_sizes (mitem);
+ check_day_sizes (mitem);
+}
+
+/* Recalculates the position of the toplevel calendar group based on the logical position and anchor */
+static void
+reanchor (GnomeMonthItem *mitem)
+{
+ double x, y;
+
+ x = mitem->x;
+ y = mitem->y;
+
+ switch (mitem->anchor) {
+ case GTK_ANCHOR_NW:
+ case GTK_ANCHOR_W:
+ case GTK_ANCHOR_SW:
+ break;
+
+ case GTK_ANCHOR_N:
+ case GTK_ANCHOR_CENTER:
+ case GTK_ANCHOR_S:
+ x -= mitem->width / 2;
+ break;
+
+ case GTK_ANCHOR_NE:
+ case GTK_ANCHOR_E:
+ case GTK_ANCHOR_SE:
+ x -= mitem->width;
+ break;
+ }
+
+ switch (mitem->anchor) {
+ case GTK_ANCHOR_NW:
+ case GTK_ANCHOR_N:
+ case GTK_ANCHOR_NE:
+ break;
+
+ case GTK_ANCHOR_W:
+ case GTK_ANCHOR_CENTER:
+ case GTK_ANCHOR_E:
+ y -= mitem->height / 2;
+ break;
+
+ case GTK_ANCHOR_SW:
+ case GTK_ANCHOR_S:
+ case GTK_ANCHOR_SE:
+ y -= mitem->height;
+ break;
+ }
+
+ /* Explicitly use the canvas group class prefix since the month item class has x and y
+ * arguments as well.
+ */
+
+ gnome_canvas_item_set (GNOME_CANVAS_ITEM (mitem),
+ "GnomeCanvasGroup::x", x,
+ "GnomeCanvasGroup::y", y,
+ NULL);
+}
+
/* Takes an anchor specification and the corners of a rectangle, and returns an anchored point with
* respect to that rectangle.
*/
@@ -294,6 +434,8 @@ reshape_days (GnomeMonthItem *mitem)
static void
reshape (GnomeMonthItem *mitem)
{
+ check_sizes (mitem);
+ reanchor (mitem);
reshape_headings (mitem);
reshape_days (mitem);
}
@@ -700,63 +842,6 @@ gnome_month_item_destroy (GtkObject *object)
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
-/* Recalculates the position of the toplevel calendar group based on the logical position and anchor */
-static void
-reanchor (GnomeMonthItem *mitem)
-{
- double x, y;
-
- x = mitem->x;
- y = mitem->y;
-
- switch (mitem->anchor) {
- case GTK_ANCHOR_NW:
- case GTK_ANCHOR_W:
- case GTK_ANCHOR_SW:
- break;
-
- case GTK_ANCHOR_N:
- case GTK_ANCHOR_CENTER:
- case GTK_ANCHOR_S:
- x -= mitem->width / 2;
- break;
-
- case GTK_ANCHOR_NE:
- case GTK_ANCHOR_E:
- case GTK_ANCHOR_SE:
- x -= mitem->width;
- break;
- }
-
- switch (mitem->anchor) {
- case GTK_ANCHOR_NW:
- case GTK_ANCHOR_N:
- case GTK_ANCHOR_NE:
- break;
-
- case GTK_ANCHOR_W:
- case GTK_ANCHOR_CENTER:
- case GTK_ANCHOR_E:
- y -= mitem->height / 2;
- break;
-
- case GTK_ANCHOR_SW:
- case GTK_ANCHOR_S:
- case GTK_ANCHOR_SE:
- y -= mitem->height;
- break;
- }
-
- /* Explicitly use the canvas group class prefix since the month item class has x and y
- * arguments as well.
- */
-
- gnome_canvas_item_set (GNOME_CANVAS_ITEM (mitem),
- "GnomeCanvasGroup::x", x,
- "GnomeCanvasGroup::y", y,
- NULL);
-}
-
/* Sets the color of the specified pixel value to that of the specified argument, which must be in
* GdkColor format if format is TRUE, otherwise it must be in string format.
*/
@@ -813,13 +898,11 @@ gnome_month_item_set_arg (GtkObject *object, GtkArg *arg, guint arg_id)
case ARG_WIDTH:
mitem->width = fabs (GTK_VALUE_DOUBLE (*arg));
- reanchor (mitem);
reshape (mitem);
break;
case ARG_HEIGHT:
mitem->height = fabs (GTK_VALUE_DOUBLE (*arg));
- reanchor (mitem);
reshape (mitem);
break;
@@ -856,6 +939,7 @@ gnome_month_item_set_arg (GtkObject *object, GtkArg *arg, guint arg_id)
mitem->day_names[i] = g_strdup (day_names[i]);
set_day_names (mitem);
+ reshape (mitem);
break;
case ARG_HEADING_HEIGHT:
@@ -889,6 +973,7 @@ gnome_month_item_set_arg (GtkObject *object, GtkArg *arg, guint arg_id)
}
set_head_font (mitem);
+ reshape (mitem);
break;
case ARG_HEAD_FONT_GDK:
@@ -897,6 +982,7 @@ gnome_month_item_set_arg (GtkObject *object, GtkArg *arg, guint arg_id)
mitem->head_font = GTK_VALUE_BOXED (*arg);
gdk_font_ref (mitem->head_font);
set_head_font (mitem);
+ reshape (mitem);
break;
case ARG_DAY_FONT:
@@ -909,6 +995,7 @@ gnome_month_item_set_arg (GtkObject *object, GtkArg *arg, guint arg_id)
}
set_day_font (mitem);
+ reshape (mitem);
break;
case ARG_DAY_FONT_GDK:
@@ -917,6 +1004,7 @@ gnome_month_item_set_arg (GtkObject *object, GtkArg *arg, guint arg_id)
mitem->day_font = GTK_VALUE_BOXED (*arg);
gdk_font_ref (mitem->day_font);
set_day_font (mitem);
+ reshape (mitem);
break;
case ARG_HEAD_COLOR: