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user32/combo: Simplify rectangles sizing helper. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2019-11-26 12:59:20 +03:00 committed by Alexandre Julliard
parent c5bceecb51
commit b563ea018b
1 changed files with 57 additions and 110 deletions
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167
dlls/user32/combo.c
View File

@ -319,111 +319,70 @@ static void CBForceDummyResize(
*
* Set up component coordinates given valid lphc->RectCombo.
*/
static void CBCalcPlacement(
HWND hwnd,
LPHEADCOMBO lphc,
LPRECT lprEdit,
LPRECT lprButton,
LPRECT lprLB)
static void CBCalcPlacement(HEADCOMBO *combo)
{
/*
* Again, start with the client rectangle.
*/
GetClientRect(hwnd, lprEdit);
/* Start with the client rectangle. */
GetClientRect(combo->self, &combo->textRect);
/*
* Remove the borders
*/
InflateRect(lprEdit, -COMBO_XBORDERSIZE(), -COMBO_YBORDERSIZE());
/* Remove the borders */
InflateRect(&combo->textRect, -COMBO_XBORDERSIZE(), -COMBO_YBORDERSIZE());
/*
* Chop off the bottom part to fit with the height of the text area.
*/
lprEdit->bottom = lprEdit->top + CBGetTextAreaHeight(hwnd, lphc);
/* Chop off the bottom part to fit with the height of the text area. */
combo->textRect.bottom = combo->textRect.top + CBGetTextAreaHeight(combo->self, combo);
/*
* The button starts the same vertical position as the text area.
*/
CopyRect(lprButton, lprEdit);
/* The button starts the same vertical position as the text area. */
combo->buttonRect = combo->textRect;
/*
* If the combobox is "simple" there is no button.
*/
if( CB_GETTYPE(lphc) == CBS_SIMPLE )
lprButton->left = lprButton->right = lprButton->bottom = 0;
else
{
/*
* Let's assume the combobox button is the same width as the
* scrollbar button.
* size the button horizontally and cut-off the text area.
*/
lprButton->left = lprButton->right - GetSystemMetrics(SM_CXVSCROLL);
lprEdit->right = lprButton->left;
}
/*
* In the case of a dropdown, there is an additional spacing between the
* text area and the button.
*/
if( CB_GETTYPE(lphc) == CBS_DROPDOWN )
{
lprEdit->right -= COMBO_EDITBUTTONSPACE();
}
/*
* If we have an edit control, we space it away from the borders slightly.
*/
if (CB_GETTYPE(lphc) != CBS_DROPDOWNLIST)
{
InflateRect(lprEdit, -EDIT_CONTROL_PADDING(), -EDIT_CONTROL_PADDING());
}
/*
* Adjust the size of the listbox popup.
*/
if( CB_GETTYPE(lphc) == CBS_SIMPLE )
{
/*
* Use the client rectangle to initialize the listbox rectangle
*/
GetClientRect(hwnd, lprLB);
/*
* Then, chop-off the top part.
*/
lprLB->top = lprEdit->bottom + COMBO_YBORDERSIZE();
}
else
{
/*
* Make sure the dropped width is as large as the combobox itself.
*/
if (lphc->droppedWidth < (lprButton->right + COMBO_XBORDERSIZE()))
/* If the combobox is "simple" there is no button. */
if (CB_GETTYPE(combo) == CBS_SIMPLE)
combo->buttonRect.left = combo->buttonRect.right = combo->buttonRect.bottom = 0;
else
{
lprLB->right = lprLB->left + (lprButton->right + COMBO_XBORDERSIZE());
/*
* Let's assume the combobox button is the same width as the
* scrollbar button.
* size the button horizontally and cut-off the text area.
*/
combo->buttonRect.left = combo->buttonRect.right - GetSystemMetrics(SM_CXVSCROLL);
combo->textRect.right = combo->buttonRect.left;
}
/*
* In the case of a dropdown, the popup listbox is offset to the right.
* so, we want to make sure it's flush with the right side of the
* combobox
*/
if( CB_GETTYPE(lphc) == CBS_DROPDOWN )
lprLB->right -= COMBO_EDITBUTTONSPACE();
/* In the case of a dropdown, there is an additional spacing between the text area and the button. */
if (CB_GETTYPE(combo) == CBS_DROPDOWN)
combo->textRect.right -= COMBO_EDITBUTTONSPACE();
/* If we have an edit control, we space it away from the borders slightly. */
if (CB_GETTYPE(combo) != CBS_DROPDOWNLIST)
InflateRect(&combo->textRect, -EDIT_CONTROL_PADDING(), -EDIT_CONTROL_PADDING());
/* Adjust the size of the listbox popup. */
if (CB_GETTYPE(combo) == CBS_SIMPLE)
{
GetClientRect(combo->self, &combo->droppedRect);
combo->droppedRect.top = combo->textRect.bottom + COMBO_YBORDERSIZE();
}
else
lprLB->right = lprLB->left + lphc->droppedWidth;
}
{
/* Make sure the dropped width is as large as the combobox itself. */
if (combo->droppedWidth < (combo->buttonRect.right + COMBO_XBORDERSIZE()))
{
combo->droppedRect.right = combo->droppedRect.left + (combo->buttonRect.right + COMBO_XBORDERSIZE());
/* don't allow negative window width */
if (lprEdit->right < lprEdit->left)
lprEdit->right = lprEdit->left;
/* In the case of a dropdown, the popup listbox is offset to the right. We want to make sure it's flush
with the right side of the combobox. */
if (CB_GETTYPE(combo) == CBS_DROPDOWN)
combo->droppedRect.right -= COMBO_EDITBUTTONSPACE();
}
else
combo->droppedRect.right = combo->droppedRect.left + combo->droppedWidth;
}
TRACE("\ttext\t= (%s)\n", wine_dbgstr_rect(lprEdit));
/* Disallow negative window width */
if (combo->textRect.right < combo->textRect.left)
combo->textRect.right = combo->textRect.left;
TRACE("\tbutton\t= (%s)\n", wine_dbgstr_rect(lprButton));
TRACE("\tlbox\t= (%s)\n", wine_dbgstr_rect(lprLB));
TRACE("text %s, button %s, lbox %s.\n", wine_dbgstr_rect(&combo->textRect), wine_dbgstr_rect(&combo->buttonRect),
wine_dbgstr_rect(&combo->droppedRect));
}
/***********************************************************************
@ -479,7 +438,7 @@ static LRESULT COMBO_Create( HWND hwnd, LPHEADCOMBO lphc, HWND hwndParent, LONG
* recalculated.
*/
GetClientRect( hwnd, &lphc->droppedRect );
CBCalcPlacement(hwnd, lphc, &lphc->textRect, &lphc->buttonRect, &lphc->droppedRect );
CBCalcPlacement(lphc);
/*
* Adjust the position of the popup listbox if it's necessary
@ -1530,11 +1489,7 @@ static void COMBO_Size( LPHEADCOMBO lphc )
SWP_NOZORDER|SWP_NOMOVE|SWP_NOACTIVATE|SWP_NOREDRAW);
}
CBCalcPlacement(lphc->self,
lphc,
&lphc->textRect,
&lphc->buttonRect,
&lphc->droppedRect);
CBCalcPlacement(lphc);
CBResetPos( lphc, &lphc->textRect, &lphc->droppedRect, FALSE );
}
@ -1562,11 +1517,7 @@ static void COMBO_Font( LPHEADCOMBO lphc, HFONT hFont, BOOL bRedraw )
*/
if ( CB_GETTYPE(lphc) == CBS_SIMPLE)
{
CBCalcPlacement(lphc->self,
lphc,
&lphc->textRect,
&lphc->buttonRect,
&lphc->droppedRect);
CBCalcPlacement(lphc);
CBResetPos( lphc, &lphc->textRect, &lphc->droppedRect, TRUE );
}
@ -1595,11 +1546,7 @@ static LRESULT COMBO_SetItemHeight( LPHEADCOMBO lphc, INT index, INT height )
*/
if ( CB_GETTYPE(lphc) == CBS_SIMPLE)
{
CBCalcPlacement(lphc->self,
lphc,
&lphc->textRect,
&lphc->buttonRect,
&lphc->droppedRect);
CBCalcPlacement(lphc);
CBResetPos( lphc, &lphc->textRect, &lphc->droppedRect, TRUE );
}
@ -2100,7 +2047,7 @@ LRESULT ComboWndProc_common( HWND hwnd, UINT message, WPARAM wParam, LPARAM lPar
lphc->droppedWidth = 0;
/* recalculate the combobox area */
CBCalcPlacement(hwnd, lphc, &lphc->textRect, &lphc->buttonRect, &lphc->droppedRect );
CBCalcPlacement(lphc);
/* fall through */
case CB_GETDROPPEDWIDTH: