Commit dbac73cf authored by Mathias Hasselmann's avatar Mathias Hasselmann

Implement GtkTooltip API for calendar details. (#339540)

* gtk/gtkcalendar.c: Add gtk_calendar_query_tooltip and chain it up.
Remember detail overflows in calendar_paint_day to show the tooltip
only when neccessary.

svn path=/trunk/; revision=19263
parent f35439bf
2007-12-28 Mathias Hasselmann <mathias@openismus.com>
Implement GtkTooltip API for calendar details. (#339540)
* gtk/gtkcalendar.c: Add gtk_calendar_query_tooltip and chain it up.
Remember detail overflows in calendar_paint_day to show the tooltip
only when neccessary.
2007-12-28 Mathias Hasselmann <mathias@openismus.com>
Without setting "detail-width-chars" and "detail-height-rows"
......
......@@ -54,6 +54,7 @@
#include "gtkintl.h"
#include "gtkmain.h"
#include "gtkmarshalers.h"
#include "gtktooltip.h"
#include "gtkprivate.h"
#include "gdk/gdkkeysyms.h"
#include "gtkalias.h"
......@@ -292,6 +293,7 @@ struct _GtkCalendarPrivate
/* Size requistion for details provided by the hook. */
gint detail_height_rows;
gint detail_width_chars;
gint detail_overflow[6];
};
#define GTK_CALENDAR_GET_PRIVATE(widget) (GTK_CALENDAR (widget)->priv)
......@@ -337,6 +339,11 @@ static void gtk_calendar_state_changed (GtkWidget *widget,
GtkStateType previous_state);
static void gtk_calendar_style_set (GtkWidget *widget,
GtkStyle *previous_style);
static gboolean gtk_calendar_query_tooltip (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_mode,
GtkTooltip *tooltip);
static void gtk_calendar_drag_data_get (GtkWidget *widget,
GdkDragContext *context,
......@@ -416,6 +423,7 @@ gtk_calendar_class_init (GtkCalendarClass *class)
widget_class->state_changed = gtk_calendar_state_changed;
widget_class->grab_notify = gtk_calendar_grab_notify;
widget_class->focus_out_event = gtk_calendar_focus_out;
widget_class->query_tooltip = gtk_calendar_query_tooltip;
widget_class->drag_data_get = gtk_calendar_drag_data_get;
widget_class->drag_motion = gtk_calendar_drag_motion;
......@@ -1644,6 +1652,50 @@ gtk_calendar_get_detail (GtkCalendar *calendar,
priv->detail_func_user_data);
}
static gboolean
gtk_calendar_query_tooltip (GtkWidget *widget,
gint x,
gint y,
gboolean keyboard_mode,
GtkTooltip *tooltip)
{
GtkCalendarPrivate *priv = GTK_CALENDAR_GET_PRIVATE (widget);
GtkCalendar *calendar = GTK_CALENDAR (widget);
const gchar *detail = NULL;
GdkRectangle day_rect;
if (priv->main_win)
{
gint x0, y0, row, col;
gdk_window_get_position (priv->main_win, &x0, &y0);
col = calendar_column_from_x (calendar, x - x0);
row = calendar_row_from_y (calendar, y - y0);
if (priv->detail_overflow[row] & (1 << col))
{
detail = gtk_calendar_get_detail (calendar, row, col);
calendar_day_rectangle (calendar, row, col, &day_rect);
day_rect.x += x0;
day_rect.y += y0;
}
}
if (detail)
{
gtk_tooltip_set_tip_area (tooltip, &day_rect);
gtk_tooltip_set_markup (tooltip, detail);
return TRUE;
}
if (GTK_WIDGET_CLASS (gtk_calendar_parent_class)->query_tooltip)
return GTK_WIDGET_CLASS (gtk_calendar_parent_class)->query_tooltip (widget, x, y, keyboard_mode, tooltip);
return FALSE;
}
/****************************************
* Size Request and Allocate *
......@@ -2336,6 +2388,7 @@ calendar_paint_day (GtkCalendar *calendar,
PangoLayout *layout;
PangoRectangle logical_rect;
gboolean overflow = FALSE;
g_return_if_fail (row < 6);
g_return_if_fail (col < 7);
......@@ -2457,8 +2510,12 @@ calendar_paint_day (GtkCalendar *calendar,
n_lines = pango_layout_get_line_count (layout);
if (priv->detail_height_rows)
n_lines = MIN (n_lines, priv->detail_height_rows);
if (priv->detail_height_rows &&
n_lines > priv->detail_height_rows)
{
n_lines = priv->detail_height_rows;
overflow = TRUE;
}
for (i = 0; i < n_lines; ++i)
{
......@@ -2493,6 +2550,11 @@ calendar_paint_day (GtkCalendar *calendar,
day_rect.width, day_rect.height);
}
if (overflow)
priv->detail_overflow[row] |= (1 << col);
else
priv->detail_overflow[row] &= ~(1 << col);
g_object_unref (layout);
cairo_destroy (cr);
}
......
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