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(svn r25284) -Feature: When opening the object-build window, restore the object build-window to the previous state (sbr).

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alberth 2013-05-24 19:13:59 +00:00
parent 4037251c82
commit c3a7ed5a65
1 changed files with 31 additions and 0 deletions

31
src/object_gui.cpp
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@ -17,6 +17,7 @@
#include "strings_func.h"
#include "viewport_func.h"
#include "window_gui.h"
#include "window_func.h"
#include "widgets/object_widget.h"
@ -25,6 +26,8 @@
static ObjectClassID _selected_object_class; ///< the currently visible object class
static int _selected_object_index; ///< the index of the selected object in the current class or -1
static uint8 _selected_object_view; ///< the view of the selected object
static uint _matrix_col_count; ///< Number of columns of the object type matrix
static uint _list_row_count; ///< Number of rows of the object class list
/** The window used for building objects. */
class BuildObjectWindow : public PickerWindowBase {
@ -58,6 +61,16 @@ class BuildObjectWindow : public PickerWindowBase {
return sel_objclass->GetSpec(_selected_object_index)->IsAvailable();
}
/**
* Calculate the number of columns of the #WID_BO_SELECT_MATRIX widget.
* @return Number of columns in the matrix.
*/
uint GetMatrixColumnCount()
{
const NWidgetBase *matrix = this->GetWidget<NWidgetBase>(WID_BO_SELECT_MATRIX);
return 1 + (matrix->current_x - matrix->smallest_x) / matrix->resize_x;
}
public:
BuildObjectWindow(const WindowDesc *desc, Window *w) : PickerWindowBase(w), info_height(1)
{
@ -82,11 +95,29 @@ public:
NWidgetMatrix *matrix = this->GetWidget<NWidgetMatrix>(WID_BO_SELECT_MATRIX);
matrix->SetScrollbar(this->GetScrollbar(WID_BO_SELECT_SCROLL));
matrix->SetCount(ObjectClass::Get(_selected_object_class)->GetUISpecCount());
/* If needed restore the window previous size with the stored values.*/
uint default_num_cols = this->GetMatrixColumnCount();
uint default_num_rows = this->vscroll->GetCapacity();
int delta_x = (_matrix_col_count > default_num_cols) ? (_matrix_col_count - default_num_cols) * this->resize.step_width : 0;
int delta_y = (_list_row_count > default_num_rows) ? (_list_row_count - default_num_rows) * this->resize.step_height : 0;
if (delta_x > 0 || delta_y > 0) {
ResizeWindow(this, delta_x, delta_y, false);
/* The window may be linked to the toolbars, thus positioned at the left-bottom of the toolbars.
* If the resized window is wider than the toolbars, its position need te be adjusted to ensure all
* matrix columns are visible. */
this->FindWindowPlacementAndResize(this->width, this->height);
}
if (_selected_object_index != -1) matrix->SetClicked(_selected_object_index);
}
virtual ~BuildObjectWindow()
{
/* Store the number of columns of the object type matrix and the number of rows of the object class list
* to restore them on the next window invocation. */
_matrix_col_count = this->GetMatrixColumnCount();
_list_row_count = this->vscroll->GetCapacity();
}
virtual void SetStringParameters(int widget) const