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-rw-r--r--calendar/gncal-day-view.c254
1 files changed, 254 insertions, 0 deletions
diff --git a/calendar/gncal-day-view.c b/calendar/gncal-day-view.c
new file mode 100644
index 0000000000..e6a511f736
--- /dev/null
+++ b/calendar/gncal-day-view.c
@@ -0,0 +1,254 @@
+/* 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));
+ }
+}