diff options
author | Mengjie Yu <meng-jie.yu@sun.com> | 2005-04-22 16:04:03 +0800 |
---|---|---|
committer | Harry Lu <haip@src.gnome.org> | 2005-04-22 16:04:03 +0800 |
commit | 4ef011fee458a41efea4dd5023fbb38a505127bb (patch) | |
tree | 0d692870b4e0d627129fe1019c600c7de55035b3 /widgets | |
parent | f45242150b280b91ae59aef5ad6c812ad1ced88a (diff) | |
download | gsoc2013-evolution-4ef011fee458a41efea4dd5023fbb38a505127bb.tar gsoc2013-evolution-4ef011fee458a41efea4dd5023fbb38a505127bb.tar.gz gsoc2013-evolution-4ef011fee458a41efea4dd5023fbb38a505127bb.tar.bz2 gsoc2013-evolution-4ef011fee458a41efea4dd5023fbb38a505127bb.tar.lz gsoc2013-evolution-4ef011fee458a41efea4dd5023fbb38a505127bb.tar.xz gsoc2013-evolution-4ef011fee458a41efea4dd5023fbb38a505127bb.tar.zst gsoc2013-evolution-4ef011fee458a41efea4dd5023fbb38a505127bb.zip |
use idle callback to adjust scrollbar when focus has been changed. add
2005-04-21 Mengjie Yu <meng-jie.yu@sun.com>
* gal/widgets/e-reflow.c: (do_adjustment), (cursor_changed),
(e_reflow_dispose), (e_reflow_init):
use idle callback to adjust scrollbar when focus has been changed.
* gal/widgets/e-reflow.h:
add source ID field for idle callback
Fixes #300954
svn path=/trunk/; revision=29223
Diffstat (limited to 'widgets')
-rw-r--r-- | widgets/misc/e-reflow.c | 41 | ||||
-rw-r--r-- | widgets/misc/e-reflow.h | 1 |
2 files changed, 42 insertions, 0 deletions
diff --git a/widgets/misc/e-reflow.c b/widgets/misc/e-reflow.c index cd05fd017f..b4d5d03025 100644 --- a/widgets/misc/e-reflow.c +++ b/widgets/misc/e-reflow.c @@ -160,6 +160,37 @@ selection_row_changed (ESelectionModel *selection, int row, EReflow *reflow) e_reflow_update_selection_row (reflow, row); } +static gboolean +do_adjustment (gpointer user_data) +{ + int row; + GtkAdjustment *adj ; + gfloat value, min_value, max_value; + EReflow *reflow = user_data; + + adj = gtk_layout_get_hadjustment (GTK_LAYOUT (GNOME_CANVAS_ITEM (reflow)->canvas)); + row = reflow->cursor_row; + value = adj->value; + + min_value = reflow->items[row]->x2 - adj->page_size; + max_value = reflow->items[row]->x1; + + if (value < min_value) + value = min_value; + + if (value > max_value) + value = max_value; + + if (value != adj->value) { + adj->value = value; + gtk_adjustment_value_changed (adj); + } + + reflow->do_adjustment_idle_id = 0; + + return FALSE; +} + static void cursor_changed (ESelectionModel *selection, int row, int col, EReflow *reflow) { @@ -189,8 +220,13 @@ cursor_changed (ESelectionModel *selection, int row, int col, EReflow *reflow) NULL); } } + + if (reflow->do_adjustment_idle_id == 0) + reflow->do_adjustment_idle_id = g_idle_add (do_adjustment, reflow); + } + static void incarnate (EReflow *reflow) { @@ -767,6 +803,10 @@ e_reflow_dispose (GObject *object) g_source_remove (reflow->incarnate_idle_id); reflow->incarnate_idle_id = 0; + if (reflow->do_adjustment_idle_id) + g_source_remove (reflow->do_adjustment_idle_id); + reflow->do_adjustment_idle_id = 0; + disconnect_model (reflow); disconnect_selection (reflow); @@ -1479,6 +1519,7 @@ e_reflow_init (EReflow *reflow) reflow->cursor_row = -1; reflow->incarnate_idle_id = 0; + reflow->do_adjustment_idle_id = 0; reflow->set_scroll_adjustments_id = 0; reflow->selection = E_SELECTION_MODEL (e_selection_model_simple_new()); diff --git a/widgets/misc/e-reflow.h b/widgets/misc/e-reflow.h index b92643a935..b37e028340 100644 --- a/widgets/misc/e-reflow.h +++ b/widgets/misc/e-reflow.h @@ -98,6 +98,7 @@ struct _EReflow double column_width; int incarnate_idle_id; + int do_adjustment_idle_id; /* These are all for when the column is being dragged. */ gdouble start_x; |