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comctl32/tab: Handle item focusing better (including keyboard support).

This commit is contained in:
Nikolay Sivov 2009-10-10 02:40:03 +04:00 committed by Alexandre Julliard
parent 64945b2779
commit 64102f5f71
2 changed files with 57 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

83
dlls/comctl32/tab.c
View File

@ -161,6 +161,7 @@ static void TAB_InvalidateTabArea(const TAB_INFO *);
static void TAB_EnsureSelectionVisible(TAB_INFO *);
static void TAB_DrawItemInterior(const TAB_INFO *, HDC, INT, RECT*);
static LRESULT TAB_DeselectAll(TAB_INFO *, BOOL);
static BOOL TAB_InternalGetItemRect(const TAB_INFO *, INT, RECT*, RECT*);
static BOOL
TAB_SendSimpleNotify (const TAB_INFO *infoPtr, UINT code)
@ -272,9 +273,25 @@ static LRESULT TAB_SetCurFocus (TAB_INFO *infoPtr, INT iItem)
infoPtr->uFocus = -1;
else if (iItem < infoPtr->uNumItem) {
if (infoPtr->dwStyle & TCS_BUTTONS) {
FIXME("Should set input focus\n");
/* set focus to new item, leave selection as is */
if (infoPtr->uFocus != iItem) {
INT prev_focus = infoPtr->uFocus;
RECT r;
infoPtr->uFocus = iItem;
if (prev_focus != infoPtr->iSelected) {
if (TAB_InternalGetItemRect(infoPtr, prev_focus, &r, NULL))
InvalidateRect(infoPtr->hwnd, &r, FALSE);
}
if (TAB_InternalGetItemRect(infoPtr, iItem, &r, NULL))
InvalidateRect(infoPtr->hwnd, &r, FALSE);
TAB_SendSimpleNotify(infoPtr, TCN_FOCUSCHANGE);
}
} else {
int oldFocus = infoPtr->uFocus;
INT oldFocus = infoPtr->uFocus;
if (infoPtr->iSelected != iItem || oldFocus == -1 ) {
infoPtr->uFocus = iItem;
if (oldFocus != -1) {
@ -467,13 +484,13 @@ TAB_GetItemRect(const TAB_INFO *infoPtr, INT item, RECT *rect)
}
/******************************************************************************
* TAB_KeyUp
* TAB_KeyDown
*
* This method is called to handle keyboard input
*/
static LRESULT TAB_KeyUp(TAB_INFO* infoPtr, WPARAM keyCode)
static LRESULT TAB_KeyDown(TAB_INFO* infoPtr, WPARAM keyCode)
{
int newItem = -1;
INT newItem = -1;
switch (keyCode)
{
@ -485,23 +502,30 @@ static LRESULT TAB_KeyUp(TAB_INFO* infoPtr, WPARAM keyCode)
break;
}
/*
* If we changed to a valid item, change the selection
*/
if (newItem >= 0 &&
newItem < infoPtr->uNumItem &&
infoPtr->uFocus != newItem)
{
if (!TAB_SendSimpleNotify(infoPtr, TCN_SELCHANGING))
{
TAB_SetCurSel(infoPtr, newItem);
TAB_SendSimpleNotify(infoPtr, TCN_SELCHANGE);
}
}
/* If we changed to a valid item, change focused item */
if (newItem >= 0 && newItem < infoPtr->uNumItem && infoPtr->uFocus != newItem)
TAB_SetCurFocus(infoPtr, newItem);
return 0;
}
/*
* WM_KILLFOCUS handler
*/
static void TAB_KillFocus(TAB_INFO *infoPtr)
{
/* clear current focused item back to selected for TCS_BUTTONS */
if ((infoPtr->dwStyle & TCS_BUTTONS) && (infoPtr->uFocus != infoPtr->iSelected))
{
RECT r;
if (TAB_InternalGetItemRect(infoPtr, infoPtr->uFocus, &r, NULL))
InvalidateRect(infoPtr->hwnd, &r, FALSE);
infoPtr->uFocus = infoPtr->iSelected;
}
}
/******************************************************************************
* TAB_FocusChanging
*
@ -598,7 +622,7 @@ TAB_LButtonDown (TAB_INFO *infoPtr, WPARAM wParam, LPARAM lParam)
TAB_RelayEvent (infoPtr->hwndToolTip, infoPtr->hwnd,
WM_LBUTTONDOWN, wParam, lParam);
if (infoPtr->dwStyle & TCS_FOCUSONBUTTONDOWN) {
if (!(infoPtr->dwStyle & TCS_FOCUSNEVER)) {
SetFocus (infoPtr->hwnd);
}
@ -1482,7 +1506,8 @@ TAB_EraseTabInterior(const TAB_INFO *infoPtr, HDC hdc, INT iItem, const RECT *dr
{
InflateRect(&rTemp, 2, 2);
FillRect(hdc, &rTemp, hbr);
if (iItem == infoPtr->iHotTracked)
if (iItem == infoPtr->iHotTracked ||
(iItem != infoPtr->iSelected && iItem == infoPtr->uFocus))
DrawEdge(hdc, &rTemp, BDR_RAISEDINNER, BF_RECT);
}
else
@ -1651,15 +1676,13 @@ TAB_DrawItemInterior(const TAB_INFO *infoPtr, HDC hdc, INT iItem, RECT *drawRect
(iItem == infoPtr->uFocus) )
{
RECT rFocus = *drawRect;
InflateRect(&rFocus, -3, -3);
if (!(infoPtr->dwStyle & TCS_BUTTONS)) InflateRect(&rFocus, -3, -3);
if (infoPtr->dwStyle & TCS_BOTTOM && !(infoPtr->dwStyle & TCS_VERTICAL))
rFocus.top -= 3;
if (infoPtr->dwStyle & TCS_BUTTONS)
{
rFocus.left -= 3;
rFocus.top -= 3;
}
/* focus should stay on selected item for TCS_BUTTONS style */
if (!((infoPtr->dwStyle & TCS_BUTTONS) && (infoPtr->iSelected != iItem)))
DrawFocusRect(hdc, &rFocus);
}
@ -2013,7 +2036,7 @@ static void TAB_DrawItem(const TAB_INFO *infoPtr, HDC hdc, INT iItem)
{
DWORD state = TAB_GetItem(infoPtr, iItem)->dwState;
if (state & TCIS_BUTTONPRESSED)
if ((state & TCIS_BUTTONPRESSED) || (iItem == infoPtr->uFocus))
DrawEdge(hdc, &r, EDGE_SUNKEN, BF_SOFT|BF_RECT);
else
if (!(infoPtr->dwStyle & TCS_FLATBUTTONS))
@ -3444,12 +3467,14 @@ TAB_WindowProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
return theme_changed (infoPtr);
case WM_KILLFOCUS:
TAB_KillFocus(infoPtr);
case WM_SETFOCUS:
TAB_FocusChanging(infoPtr);
break; /* Don't disturb normal focus behavior */
case WM_KEYUP:
return TAB_KeyUp(infoPtr, wParam);
case WM_KEYDOWN:
return TAB_KeyDown(infoPtr, wParam);
case WM_NCHITTEST:
return TAB_NCHitTest(infoPtr, lParam);

1
include/commctrl.h
View File

@ -4265,6 +4265,7 @@ typedef struct tagTCITEMW
#define TCN_SELCHANGE (TCN_FIRST - 1)
#define TCN_SELCHANGING (TCN_FIRST - 2)
#define TCN_GETOBJECT (TCN_FIRST - 3)
#define TCN_FOCUSCHANGE (TCN_FIRST - 4)
#include <pshpack1.h>
typedef struct tagTCKEYDOWN