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authorFederico Mena Quintero <federico@nuclecu.unam.mx>1998-04-11 14:28:01 +0800
committerArturo Espinosa <unammx@src.gnome.org>1998-04-11 14:28:01 +0800
commit5f869ecc19985407b08a29f03afbad7a37e1a43f (patch)
treef1478d0d780d8618a6a9ea4bbbd32d402c4172af /calendar/gncal-full-day.c
parent6caeba284969e0a0ea6b901b559c3078e2444c62 (diff)
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Now we support selecting a range in the main window (by
1998-04-11 Federico Mena Quintero <federico@nuclecu.unam.mx> * gncal-full-day.c (recompute_motion): Now we support selecting a range in the main window (by clicking+dragging). It flickers horribly and is not perfect, but it is a start. svn path=/trunk/; revision=125
Diffstat (limited to 'calendar/gncal-full-day.c')
-rw-r--r--calendar/gncal-full-day.c143
1 files changed, 110 insertions, 33 deletions
diff --git a/calendar/gncal-full-day.c b/calendar/gncal-full-day.c
index a03d0a0811..acf937f14f 100644
--- a/calendar/gncal-full-day.c
+++ b/calendar/gncal-full-day.c
@@ -16,6 +16,7 @@
#define HANDLE_SIZE 3
#define MIN_WIDTH 200
#define XOR_RECT_WIDTH 2
+#define UNSELECT_TIMEOUT 150 /* ms */
typedef struct {
@@ -46,6 +47,7 @@ struct drag_info {
Child *child;
int start_row;
int rows_used;
+ guint32 click_time;
};
@@ -750,7 +752,8 @@ static void
paint_back (GncalFullDay *fullday, GdkRectangle *area)
{
GtkWidget *widget;
- GdkRectangle rect, dest;
+ GdkRectangle rect, dest, aarea;
+ struct drag_info *di;
int x1, y1, width, height;
int labels_width, division_x;
int rows, row_height;
@@ -760,6 +763,15 @@ paint_back (GncalFullDay *fullday, GdkRectangle *area)
widget = GTK_WIDGET (fullday);
+ if (!area) {
+ area = &aarea;
+
+ area->x = 0;
+ area->y = 0;
+ area->width = widget->allocation.width;
+ area->height = widget->allocation.height;
+ }
+
x1 = widget->style->klass->xthickness;
y1 = widget->style->klass->ythickness;
width = widget->allocation.width - 2 * x1;
@@ -787,6 +799,28 @@ paint_back (GncalFullDay *fullday, GdkRectangle *area)
dest.x, dest.y,
dest.width, dest.height);
+ /* Selected region */
+
+ di = fullday->drag_info;
+
+ get_tm_range (fullday, fullday->lower, fullday->upper, &tm, NULL, NULL, &rows);
+
+ row_height = calc_row_height (fullday);
+
+ if (di->rows_used != 0) {
+ rect.x = x1;
+ rect.y = y1 + row_height * di->start_row;
+ rect.width = width;
+ rect.height = row_height * di->rows_used;
+
+ if (gdk_rectangle_intersect (&rect, area, &dest))
+ gdk_draw_rectangle (widget->window,
+ widget->style->bg_gc[GTK_STATE_SELECTED],
+ TRUE,
+ dest.x, dest.y,
+ dest.width, dest.height);
+ }
+
/* Vertical division */
division_x = x1 + 2 * TEXT_BORDER + labels_width;
@@ -799,10 +833,6 @@ paint_back (GncalFullDay *fullday, GdkRectangle *area)
/* Horizontal divisions */
- get_tm_range (fullday, fullday->lower, fullday->upper, &tm, NULL, NULL, &rows);
-
- row_height = calc_row_height (fullday);
-
y = y1 + row_height - 1;
for (i = 1; i < rows; i++) {
@@ -818,6 +848,9 @@ paint_back (GncalFullDay *fullday, GdkRectangle *area)
y = y1 + ((row_height - 1) - (widget->style->font->ascent + widget->style->font->descent)) / 2;
+ rect.x = x1;
+ rect.y = y1;
+ rect.width = 2 * TEXT_BORDER + labels_width;
rect.height = row_height - 1;
for (i = 0; i < rows; i++) {
@@ -973,12 +1006,15 @@ draw_xor_rect (GncalFullDay *fullday)
struct drag_info *di;
int i;
int row_height;
+ int ythickness;
widget = GTK_WIDGET (fullday);
gdk_gc_set_function (widget->style->white_gc, GDK_INVERT);
gdk_gc_set_subwindow (widget->style->white_gc, GDK_INCLUDE_INFERIORS);
+ ythickness = widget->style->klass->ythickness;
+
di = fullday->drag_info;
row_height = calc_row_height (fullday);
@@ -988,7 +1024,7 @@ draw_xor_rect (GncalFullDay *fullday)
widget->style->white_gc,
FALSE,
di->child->x + i,
- di->start_row * row_height + i,
+ di->start_row * row_height + ythickness + i,
di->child->width - 2 * i - 1,
di->rows_used * row_height - 2 * i - 2);
@@ -1037,9 +1073,6 @@ gncal_full_day_button_press (GtkWidget *widget, GdkEventButton *event)
Child *child;
struct drag_info *di;
gint y;
- int xthickness, ythickness;
- int width, height;
- int xpos, ypos;
int row_height;
g_return_val_if_fail (widget != NULL, FALSE);
@@ -1054,24 +1087,26 @@ gncal_full_day_button_press (GtkWidget *widget, GdkEventButton *event)
if (!GTK_WIDGET_HAS_FOCUS (widget))
gtk_widget_grab_focus (widget);
- xthickness = widget->style->klass->xthickness;
- ythickness = widget->style->klass->ythickness;
+ /* Prepare for drag */
- width = widget->allocation.width;
- height = widget->allocation.height;
+ di = fullday->drag_info;
- xpos = event->x - xthickness;
- ypos = event->y - ythickness;
+ di->drag_mode = DRAG_SELECT;
- if (!((xpos >= 0) && (xpos < (width - 2 * xthickness))
- && (ypos >= 0) && (ypos < (height - 2 * ythickness))))
- return FALSE;
+ di->start_row = get_row_from_y (fullday, event->y, FALSE);
+ di->rows_used = 1;
- /* Prepare for drag */
+ di->click_time = event->time;
- di = fullday->drag_info;
+ gdk_pointer_grab (widget->window, FALSE,
+ (GDK_BUTTON_MOTION_MASK
+ | GDK_POINTER_MOTION_HINT_MASK
+ | GDK_BUTTON_RELEASE_MASK),
+ NULL,
+ NULL,
+ event->time);
-
+ paint_back (fullday, NULL);
} else {
/* Clicked on a child? */
@@ -1209,17 +1244,44 @@ gncal_full_day_button_release (GtkWidget *widget, GdkEventButton *event)
di = fullday->drag_info;
- if (!di->child || (event->window != di->child->window))
+ gtk_widget_get_pointer (widget, NULL, &y);
+
+ switch (di->drag_mode) {
+ case DRAG_NONE:
return FALSE;
- gtk_widget_get_pointer (widget, NULL, &y);
+ case DRAG_SELECT:
+ if ((event->time - di->click_time) < UNSELECT_TIMEOUT)
+ di->rows_used = 0;
+ else
+ recompute_motion (fullday, y);
+
+ gdk_pointer_ungrab (event->time);
+
+ paint_back (fullday, NULL);
+
+ break;
+
+ case DRAG_MOVE:
+ case DRAG_SIZE:
+ draw_xor_rect (fullday);
+ recompute_motion (fullday, y);
+ gdk_pointer_ungrab (event->time);
+
+ update_from_drag_info (fullday);
+
+ di->rows_used = 0;
+
+ break;
- draw_xor_rect (fullday);
- recompute_motion (fullday, y);
- gdk_pointer_ungrab (event->time);
+ default:
+ g_assert_not_reached ();
+ }
- update_from_drag_info (fullday);
+ if (!di->child || (event->window != di->child->window))
+ return FALSE;
+ di->drag_mode = DRAG_NONE;
di->child = NULL;
return FALSE;
@@ -1239,14 +1301,29 @@ gncal_full_day_motion (GtkWidget *widget, GdkEventMotion *event)
fullday = GNCAL_FULL_DAY (widget);
di = fullday->drag_info;
- if (!di->child || (event->window != di->child->window))
- return FALSE;
-
gtk_widget_get_pointer (widget, NULL, &y);
- draw_xor_rect (fullday);
- recompute_motion (fullday, y);
- draw_xor_rect (fullday);
+ switch (di->drag_mode) {
+ case DRAG_NONE:
+ break;
+
+ case DRAG_SELECT:
+ recompute_motion (fullday, y);
+ paint_back (fullday, NULL);
+
+ break;
+
+ case DRAG_MOVE:
+ case DRAG_SIZE:
+ draw_xor_rect (fullday);
+ recompute_motion (fullday, y);
+ draw_xor_rect (fullday);
+
+ break;
+
+ default:
+ g_assert_not_reached ();
+ }
return FALSE;
}