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Gtk2: fixed columns resizing by mouse. issue #21354

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git-svn-id: trunk@35569 -
This commit is contained in:
zeljko 2012-02-23 17:24:04 +00:00
parent a9c8726408
commit 967f02d777
3 changed files with 39 additions and 5 deletions
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39
lcl/interfaces/gtk2/gtk2callback.inc
View File

@ -1274,11 +1274,42 @@ end;
Returns true, if mouse move event should be sent before the widget istelf Returns true, if mouse move event should be sent before the widget istelf
reacts. reacts.
-------------------------------------------------------------------------------} -------------------------------------------------------------------------------}
function ControlGetsMouseMoveBefore(AControl: TControl): boolean; function ControlGetsMouseMoveBefore(AControl: TControl;
const ABefore: Boolean; Event: PGDKEventMotion): boolean;
var
ShiftState: TShiftState;
Widget: PGtkWidget;
MainView: PGtkWidget;
i: Integer;
begin begin
if (AControl=nil) then ; if (AControl=nil) then ;
// currently there are no controls, that need after events. // currently there are no controls, that need after events.
Result:=true; Result := True;
// gtk2 column resizing ... issue #21354
if (Event <> nil) and not (csDesigning in AControl.ComponentState) and
(AControl is TWinControl) and
(TWinControl(AControl).FCompStyle = csListView) and
(TListView(AControl).ViewStyle = vsReport) and
(TListView(AControl).ShowColumnHeaders) then
begin
ShiftState := GTKEventStateToShiftState(Event^.State);
if ssLeft in ShiftState then
begin
Widget := PGtkWidget(TWinControl(AControl).Handle);
if GTK_IS_SCROLLED_WINDOW(Widget) then
begin
MainView := gtk_bin_get_child(PGtkBin(Widget));
if GTK_IS_TREE_VIEW(MainView) then
begin
// here we are
if gtk_tree_view_get_bin_window(PGtkTreeView(MainView)) <> Event^.window then
Result := False;
end;
end;
end;
end;
end; end;
procedure GTKGetDevicePointer(win: PGdkWindow; dev: PGdkDevice; procedure GTKGetDevicePointer(win: PGdkWindow; dev: PGdkDevice;
@ -1359,7 +1390,7 @@ begin
begin begin
DesignOnlySignal := GetDesignOnlySignalFlag(Widget, dstMouseMotion); DesignOnlySignal := GetDesignOnlySignalFlag(Widget, dstMouseMotion);
if DesignOnlySignal then exit; if DesignOnlySignal then exit;
if not ControlGetsMouseMoveBefore(TControl(Data)) then exit; if not ControlGetsMouseMoveBefore(TControl(Data), True, Event) then exit;
end else end else
begin begin
// stop the signal, so that the widget does not auto react // stop the signal, so that the widget does not auto react
@ -1410,7 +1441,7 @@ begin
UpdateMouseCaptureControl; UpdateMouseCaptureControl;
if (csDesigning in TComponent(Data).ComponentState) then exit; if (csDesigning in TComponent(Data).ComponentState) then exit;
if ControlGetsMouseMoveBefore(TControl(Data)) then exit; if ControlGetsMouseMoveBefore(TControl(Data), True, Event) then exit;
DeliverMouseMoveMessage(Widget,Event, TWinControl(Data)); DeliverMouseMoveMessage(Widget,Event, TWinControl(Data));
end; end;

3
lcl/interfaces/gtk2/gtk2extrah.inc
View File

@ -237,6 +237,9 @@ function gtk_icon_view_get_cursor(icon_view: PGtkIconView; var path: PGtkTreePat
procedure gtk_icon_view_set_cursor(icon_view: PGtkIconView; path: PGtkTreePath; cell: PGtkCellRenderer; start_editing: gboolean); cdecl; external gtklib; procedure gtk_icon_view_set_cursor(icon_view: PGtkIconView; path: PGtkTreePath; cell: PGtkCellRenderer; start_editing: gboolean); cdecl; external gtklib;
function gtk_tree_view_get_visible_range(tree_view: PGtkTreeView; out start_path, endpath: PGtkTreePath): gboolean; cdecl; external gtklib; function gtk_tree_view_get_visible_range(tree_view: PGtkTreeView; out start_path, endpath: PGtkTreePath): gboolean; cdecl; external gtklib;
function gtk_icon_view_get_visible_range(tree_view: PGtkTreeView; out start_path, endpath: PGtkTreePath): gboolean; cdecl; external gtklib; function gtk_icon_view_get_visible_range(tree_view: PGtkTreeView; out start_path, endpath: PGtkTreePath): gboolean; cdecl; external gtklib;
procedure gtk_tree_view_column_queue_resize(tree_column: PGtkTreeViewColumn); cdecl; external gtklib;
{$endif} {$endif}
{$ifdef GTK_2_10} {$ifdef GTK_2_10}
function gdk_screen_is_composited(screen: PGdkScreen): gboolean; cdecl; external gdklib; function gdk_screen_is_composited(screen: PGdkScreen): gboolean; cdecl; external gdklib;

2
lcl/interfaces/gtk2/gtk2proc.pp
View File

@ -140,7 +140,7 @@ function gtkresizeCB(widget: PGtkWidget; data: gPointer): GBoolean; cdecl;
function gtkMonthChanged(Widget: PGtkWidget; data: gPointer): GBoolean; cdecl; function gtkMonthChanged(Widget: PGtkWidget; data: gPointer): GBoolean; cdecl;
procedure DeliverMouseMoveMessage(Widget:PGTKWidget; Event: PGDKEventMotion; procedure DeliverMouseMoveMessage(Widget:PGTKWidget; Event: PGDKEventMotion;
AWinControl: TWinControl); AWinControl: TWinControl);
function ControlGetsMouseMoveBefore(AControl: TControl): boolean;
function gtkMotionNotify(Widget:PGTKWidget; Event: PGDKEventMotion; function gtkMotionNotify(Widget:PGTKWidget; Event: PGDKEventMotion;
Data: gPointer): GBoolean; cdecl; Data: gPointer): GBoolean; cdecl;
function GTKMotionNotifyAfter(widget:PGTKWidget; event: PGDKEventMotion; function GTKMotionNotifyAfter(widget:PGTKWidget; event: PGDKEventMotion;