diff options
Diffstat (limited to 'calendar/gncal-day-view.c')
| -rw-r--r-- | calendar/gncal-day-view.c | 254 |
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)); + } +} |