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Gtk2: fixed wrong selStart result after pasting data into GtkEntry. issue #7243

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git-svn-id: trunk@35982 -
This commit is contained in:
zeljko 2012-03-14 17:00:47 +00:00
parent f2155a0f4b
commit 3fcf97aadc
1 changed files with 44 additions and 10 deletions
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54
lcl/interfaces/gtk2/gtk2callback.inc
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@ -396,6 +396,21 @@ begin
DeliverMessage(Data, Mess);
end;
function GtkEntryDelayCursorPos(AGtkWidget: Pointer): GBoolean; cdecl;
var
Info: PWidgetInfo;
begin
Result := AGtkWidget <> nil;
if AGtkWidget <> nil then
begin
g_idle_remove_by_data(AGtkWidget);
Info := GetWidgetInfo(AGtkWidget);
if Info <> nil then
gtkchanged_editbox(PGtkWidget(AGtkWidget),
Info^.LCLObject);
end;
end;
function gtkchanged_editbox( widget: PGtkWidget; data: gPointer) : GBoolean; cdecl;
var
Mess : TLMessage;
@ -422,13 +437,31 @@ begin
Info := GetWidgetInfo(Widget, False);
{do not update position if backspace or delete pressed}
if wwiInvalidEvent in Info^.Flags then
exclude(Info^.Flags, wwiInvalidEvent)
else
begin
Exclude(Info^.Flags, wwiInvalidEvent);
{take care of pasted data since it does not return proper cursor pos.}
// issue #7243
if g_object_get_data(PGObject(Widget),'lcl-delay-cm_textchaged') <> nil then
begin
g_object_set_data(PGObject(Widget),'lcl-delay-cm_textchaged',nil);
g_object_set_data(PGObject(Widget),'lcl-gtkentry-pasted-data',Widget);
g_idle_add(@GtkEntryDelayCursorPos, Widget);
exit;
end;
end else
begin
// if we change selstart in OnChange event new cursor pos need to
// be postponed in TGtk2WSCustomEdit.SetSelStart
NeedCursorCheck := True;
gtk_editable_set_position(PGtkEditable(Widget), GStart+1);
if g_object_get_data(PGObject(Widget),'lcl-gtkentry-pasted-data') <> nil then
begin
g_object_set_data(PGObject(Widget),'lcl-gtkentry-pasted-data',nil);
gtk_editable_set_position(PGtkEditable(Widget), GStart);
end else
begin
NeedCursorCheck := True;
gtk_editable_set_position(PGtkEditable(Widget), GStart+1);
end;
end;
end;
end;
@ -2571,13 +2604,14 @@ var
begin
EventTrace('Paste from clip', data);
if (Widget=nil) then ;
if (gtk_major_version = 2) and (gtk_minor_version < 17) then
// we must update cursor pos with delay otherwise selStart is wrong.issue #7243
if (Widget <> nil) and (GTK_IS_ENTRY(Widget)) then
begin
if (Widget <> nil) and (GTK_IS_ENTRY(Widget)) then
begin
Info := GetWidgetInfo(Widget, False);
include(Info^.Flags, wwiInvalidEvent);
end;
Info := GetWidgetInfo(Widget, False);
Include(Info^.Flags, wwiInvalidEvent);
// happy end is inside gtkchanged_editbox() above.
g_object_set_data(PGObject(Widget),'lcl-delay-cm_textchaged', data);
end;
Mess.msg := LM_PASTE;
Result:= DeliverMessage(Data, Mess) = 0;