Nikolay Sivov : comctl32/combo: Simplify rectangles sizing helper.
Module: wine Branch: master Commit: fc4b06815a7d12f0490a0ffce6d53772c26ff2d9 URL: https://source.winehq.org/git/wine.git/?a=commit;h=fc4b06815a7d12f0490a0ffce... Author: Nikolay Sivov <nsivov(a)codeweavers.com> Date: Wed Nov 27 13:27:20 2019 +0300 comctl32/combo: Simplify rectangles sizing helper. Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/comctl32/combo.c | 163 +++++++++++++++++--------------------------------- 1 file changed, 55 insertions(+), 108 deletions(-) diff --git a/dlls/comctl32/combo.c b/dlls/comctl32/combo.c index 599817aed4..57fddefc93 100644 --- a/dlls/comctl32/combo.c +++ b/dlls/comctl32/combo.c @@ -307,111 +307,70 @@ 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; - } + /* 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 + { + /* + * 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, there is an additional spacing between the - * text area and the button. - */ - if( CB_GETTYPE(lphc) == CBS_DROPDOWN ) - { - lprEdit->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(lphc) != CBS_DROPDOWNLIST) - { - InflateRect(lprEdit, -EDIT_CONTROL_PADDING(), -EDIT_CONTROL_PADDING()); - } + /* 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(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())) + /* Adjust the size of the listbox popup. */ + if (CB_GETTYPE(combo) == CBS_SIMPLE) { - lprLB->right = lprLB->left + (lprButton->right + COMBO_XBORDERSIZE()); - - /* - * 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(); + GetClientRect(combo->self, &combo->droppedRect); + combo->droppedRect.top = combo->textRect.bottom + COMBO_YBORDERSIZE(); } else - lprLB->right = lprLB->left + lphc->droppedWidth; - } - - /* don't allow negative window width */ - if (lprEdit->right < lprEdit->left) - lprEdit->right = lprEdit->left; + { + /* 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()); - TRACE("\ttext\t= (%s)\n", wine_dbgstr_rect(lprEdit)); + /* 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("\tbutton\t= (%s)\n", wine_dbgstr_rect(lprButton)); + /* Disallow negative window width */ + if (combo->textRect.right < combo->textRect.left) + combo->textRect.right = combo->textRect.left; - 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)); } /*********************************************************************** @@ -472,7 +431,7 @@ 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 @@ -1472,11 +1431,7 @@ 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, TRUE ); } @@ -1504,11 +1459,7 @@ 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 ); } @@ -1537,11 +1488,7 @@ 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 ); } @@ -2049,7 +1996,7 @@ static LRESULT CALLBACK COMBO_WindowProc( HWND hwnd, UINT message, WPARAM wParam lphc->droppedWidth = 0; /* recalculate the combobox area */ - CBCalcPlacement(hwnd, lphc, &lphc->textRect, &lphc->buttonRect, &lphc->droppedRect ); + CBCalcPlacement(lphc); /* fall through */ case CB_GETDROPPEDWIDTH:
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Alexandre Julliard