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/* Day view widget for gncal
*
* Copyright (C) 1998 The Free Software Foundation
*
* Author: Federico Mena <federico@nuclecu.unam.mx>
*/
#include "gncal-day-view.h"
#include "timeutil.h"
#define TEXT_BORDER 2
#define MIN_INFO_WIDTH 50
static void gncal_day_view_class_init (GncalDayViewClass *class);
static void gncal_day_view_init (GncalDayView *dview);
static void gncal_day_view_realize (GtkWidget *widget);
static void gncal_day_view_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static gint gncal_day_view_expose (GtkWidget *widget,
GdkEventExpose *event);
static GtkWidgetClass *parent_class;
guint
gncal_day_view_get_type (void)
{
static guint day_view_type = 0;
if (!day_view_type) {
GtkTypeInfo day_view_info = {
"GncalDayView",
sizeof (GncalDayView),
sizeof (GncalDayViewClass),
(GtkClassInitFunc) gncal_day_view_class_init,
(GtkObjectInitFunc) gncal_day_view_init,
(GtkArgSetFunc) NULL,
(GtkArgGetFunc) NULL
};
day_view_type = gtk_type_unique (gtk_widget_get_type (), &day_view_info);
}
return day_view_type;
}
static void
gncal_day_view_class_init (GncalDayViewClass *class)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
object_class = (GtkObjectClass *) class;
widget_class = (GtkWidgetClass *) class;
parent_class = gtk_type_class (gtk_widget_get_type ());
widget_class->realize = gncal_day_view_realize;
widget_class->size_request = gncal_day_view_size_request;
widget_class->expose_event = gncal_day_view_expose;
}
static void
gncal_day_view_init (GncalDayView *dview)
{
GTK_WIDGET_UNSET_FLAGS (dview, GTK_NO_WINDOW);
dview->calendar = NULL;
dview->lower = 0;
dview->upper = 24;
dview->use_am_pm = TRUE;
}
GtkWidget *
gncal_day_view_new (Calendar *calendar)
{
GncalDayView *dview;
#if 0
g_assert (calendar != NULL);
#endif
dview = gtk_type_new (gncal_day_view_get_type ());
dview->calendar = calendar;
return GTK_WIDGET (dview);
}
static void
gncal_day_view_realize (GtkWidget *widget)
{
GdkWindowAttr attributes;
gint attributes_mask;
g_return_if_fail (widget != NULL);
g_return_if_fail (GNCAL_IS_DAY_VIEW (widget));
GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
attributes.window_type = GDK_WINDOW_CHILD;
attributes.x = widget->allocation.x;
attributes.y = widget->allocation.y;
attributes.width = widget->allocation.width;
attributes.height = widget->allocation.height;
attributes.wclass = GDK_INPUT_OUTPUT;
attributes.visual = gtk_widget_get_visual (widget);
attributes.colormap = gtk_widget_get_colormap (widget);
attributes.event_mask = (gtk_widget_get_events (widget)
| GDK_EXPOSURE_MASK
| GDK_BUTTON_PRESS_MASK);
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attributes_mask);
gdk_window_set_user_data (widget->window, widget);
widget->style = gtk_style_attach (widget->style, widget->window);
gtk_style_set_background (widget->style, widget->window, GTK_STATE_SELECTED);
}
static int
calc_labels_width (GncalDayView *dview)
{
int width, max_width;
GdkFont *font;
char *buf;
int i;
font = GTK_WIDGET (dview)->style->font;
max_width = 0;
for (i = 0; i < 24; i++) {
buf = format_simple_hour (i, dview->use_am_pm);
width = gdk_string_width (font, buf);
if (width > max_width)
max_width = width;
}
return width;
}
static void
gncal_day_view_size_request (GtkWidget *widget, GtkRequisition *requisition)
{
GncalDayView *dview;
g_return_if_fail (widget != NULL);
g_return_if_fail (GNCAL_IS_DAY_VIEW (widget));
g_return_if_fail (requisition != NULL);
dview = GNCAL_DAY_VIEW (widget);
requisition->width = 2 * widget->style->klass->xthickness + 4 * TEXT_BORDER + MIN_INFO_WIDTH;
requisition->height = 2 * widget->style->klass->xthickness;
requisition->width += calc_labels_width (dview);
requisition->height += ((dview->upper - dview->lower)
* (widget->style->font->ascent + widget->style->font->descent
+ 2 * TEXT_BORDER));
}
static gint
gncal_day_view_expose (GtkWidget *widget, GdkEventExpose *event)
{
GncalDayView *dview;
int x1, y1, width, height;
int division_x;
int row_height;
int i;
g_return_val_if_fail (widget != NULL, FALSE);
g_return_val_if_fail (GNCAL_IS_DAY_VIEW (widget), FALSE);
g_return_val_if_fail (event != NULL, FALSE);
if (!GTK_WIDGET_DRAWABLE (widget))
return FALSE;
dview = GNCAL_DAY_VIEW (widget);
x1 = widget->style->klass->xthickness;
y1 = widget->style->klass->ythickness;
width = widget->allocation.width - 2 * x1;
height = widget->allocation.width - 2 * y1;
/* Clear and paint frame shadow */
gdk_window_clear_area (widget->window, event->area.x, event->area.y, event->area.width, event->area.height);
gtk_draw_shadow (widget->style, widget->window,
GTK_STATE_NORMAL, GTK_SHADOW_IN,
0, 0,
widget->allocation.width,
widget->allocation.height);
/* Divisions */
division_x = x1 + 2 * TEXT_BORDER + calc_labels_width (dview);
gdk_draw_line (widget->window,
widget->style->black_gc,
division_x, y1,
division_x, y1 + height - 1);
row_height = height / (dview->upper - dview->lower);
for (i = 0; i < (dview->upper - dview->lower - 1); i++)
gdk_draw_line (widget->window,
widget->style->black_gc,
x1,
y1 + (i + 1) * row_height,
x1 + width - 1,
y1 + (i + 1) * row_height);
return FALSE;
}
void
gncal_day_view_set_bounds (GncalDayView *dview, int lower, int upper)
{
g_return_if_fail (dview != NULL);
g_return_if_fail (GNCAL_IS_DAY_VIEW (dview));
lower = CLAMP (lower, 0, 23);
upper = CLAMP (upper, lower + 1, 24);
if ((lower != dview->lower) || (upper != dview->upper)) {
dview->lower = lower;
dview->upper = upper;
gtk_widget_queue_resize (GTK_WIDGET (dview));
}
}
void
gncal_day_view_set_format (GncalDayView *dview, int use_am_pm)
{
g_return_if_fail (dview != NULL);
g_return_if_fail (GNCAL_IS_DAY_VIEW (dview));
use_am_pm = use_am_pm ? TRUE : FALSE;
if (use_am_pm != dview->use_am_pm) {
dview->use_am_pm = use_am_pm;
gtk_widget_queue_resize (GTK_WIDGET (dview));
}
}
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