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(svn r17915) -Codechange: Allow windows to compute their own initial position.

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alberth 2009-10-31 11:34:43 +00:00
parent 256adf9c8a
commit 2a7d0de0b0
2 changed files with 18 additions and 1 deletions
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7
src/window.cpp
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@ -1310,6 +1310,11 @@ static Point LocalGetWindowPlacement(const WindowDesc *desc, int16 sm_width, int
return pt;
}
/* virtual */ Point Window::OnInitialPosition(const WindowDesc *desc, int16 sm_width, int16 sm_height, int window_number)
{
return LocalGetWindowPlacement(desc, sm_width, sm_height, window_number);
}
/**
* Set the positions of a new window from a WindowDesc and open it.
*
@ -1356,7 +1361,7 @@ void Window::FinishInitNested(const WindowDesc *desc, WindowNumber window_number
{
this->InitializeData(desc->cls, NULL, window_number);
this->desc_flags = desc->flags;
Point pt = LocalGetWindowPlacement(desc, this->nested_root->smallest_x, this->nested_root->smallest_y, window_number);
Point pt = this->OnInitialPosition(desc, this->nested_root->smallest_x, this->nested_root->smallest_y, window_number);
this->InitializePositionSize(pt.x, pt.y, this->nested_root->smallest_x, this->nested_root->smallest_y);
this->FindWindowPlacementAndResize(desc->default_width, desc->default_height);
}

12
src/window_gui.h
View File

@ -638,6 +638,18 @@ public:
/*** Event handling ***/
/**
* Compute the initial position of the window.
* @param *desc The pointer to the WindowDesc of the window to create.
* @param sm_width Smallest width of the window.
* @param sm_height Smallest height of the window.
* @param window_number The window number of the new window.
* @return Initial position of the top-left corner of the window.
*
* @note Due to the way C++ works, only windows with nested widgets can usefully override this function.
*/
virtual Point OnInitialPosition(const WindowDesc *desc, int16 sm_width, int16 sm_height, int window_number);
/**
* The window must be repainted.
* @note This method should not change any state, it should only use drawing functions.