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Applied patched for combo box SELECTED events (no

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long get lots of surplus events)
  Applied patch for menu hihglight colour detection.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31266 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
2005-01-06 12:49:20 +00:00
parent b4efc9b931
commit 9d6a9fdd13
4 changed files with 150 additions and 22 deletions
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54
src/gtk/combobox.cpp
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@@ -38,7 +38,7 @@ extern bool g_isIdle;
//-----------------------------------------------------------------------------
extern bool g_blockEventsOnDrag;
static int g_SelectionBeforePopup = -1;
//-----------------------------------------------------------------------------
// "changed" - typing and list item matches get changed, select-child
// if it doesn't match an item then just get a single changed
@@ -68,6 +68,32 @@ gtk_dummy_callback(GtkEntry *WXUNUSED(entry), GtkCombo *WXUNUSED(combo))
{
}
static void
gtk_popup_hide_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo)
{
// when the popup is hidden, throw a SELECTED event only if the combobox
// selection changed.
int curSelection = combo->GetSelection();
if (g_SelectionBeforePopup != curSelection)
{
wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
event.SetInt( curSelection );
event.SetString( combo->GetStringSelection() );
event.SetEventObject( combo );
combo->GetEventHandler()->ProcessEvent( event );
}
// reset the selection flag to an identifiable value
g_SelectionBeforePopup = -1;
}
static void
gtk_popup_show_callback(GtkCombo *WXUNUSED(gtk_combo), wxComboBox *combo)
{
// store the combobox selection value before the popup is shown
g_SelectionBeforePopup = combo->GetSelection();
}
//-----------------------------------------------------------------------------
// "select-child" - click/cursor get select-child, changed, select-child
//-----------------------------------------------------------------------------
@@ -99,12 +125,19 @@ gtk_combo_select_child_callback( GtkList *WXUNUSED(list), GtkWidget *WXUNUSED(wi
gtk_signal_connect( GTK_OBJECT(GTK_COMBO(combo->GetHandle())->entry), "changed",
GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)combo );
wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
event.SetInt( curSelection );
event.SetString( combo->GetStringSelection() );
event.SetEventObject( combo );
combo->GetEventHandler()->ProcessEvent( event );
// throw a SELECTED event only if the combobox popup is hidden
// because when combobox popup is shown, gtk_combo_select_child_callback is
// called each times the mouse is over an item with a pressed button so a lot
// of SELECTED event could be generated if the user keep the mouse button down
// and select other items ...
if (g_SelectionBeforePopup == -1)
{
wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
event.SetInt( curSelection );
event.SetString( combo->GetStringSelection() );
event.SetEventObject( combo );
combo->GetEventHandler()->ProcessEvent( event );
}
// Now send the event ourselves
wxCommandEvent event2( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
@@ -219,6 +252,13 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
if (style & wxCB_READONLY)
gtk_entry_set_editable( GTK_ENTRY( combo->entry ), FALSE );
// "show" and "hide" events are generated when user click on the combobox button which popups a list
// this list is the "popwin" gtk widget
gtk_signal_connect( GTK_OBJECT(GTK_COMBO(combo)->popwin), "hide",
GTK_SIGNAL_FUNC(gtk_popup_hide_callback), (gpointer)this );
gtk_signal_connect( GTK_OBJECT(GTK_COMBO(combo)->popwin), "show",
GTK_SIGNAL_FUNC(gtk_popup_show_callback), (gpointer)this );
gtk_signal_connect( GTK_OBJECT(combo->entry), "changed",
GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this );