Fixed problem with some popup menus (check ticket #1679)

Moved GetMouse() calls near the check for exit conditions.
Reorganized a bit the code, and hopefully simplified it in some places.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23229 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini
2008-01-03 07:30:05 +00:00
parent 943cbec3f3
commit 9e64a7ed1b
6 changed files with 135 additions and 112 deletions
+2 -2
View File
@@ -182,8 +182,8 @@ private:
void _UpdateStateOpenSelect(BMenuItem* item,
bigtime_t& openTime, bigtime_t& closeTime);
void _UpdateStateClose(BMenuItem* item,
const BPoint& where, const uint32& buttons);
void _UpdateStateClose(BMenuItem* item, const BPoint& where,
const uint32& buttons);
bool _AddItem(BMenuItem* item, int32 index);
bool _RemoveItems(int32 index, int32 count,
+31 -1
View File
@@ -8,8 +8,38 @@ enum menu_states {
MENU_STATE_CLOSED = 5
};
extern const char *kEmptyMenuLabel;
// Note: since sqrt is slow, we don't use it and return the square of the distance
#define square(x) ((x) * (x))
static inline float
point_distance(const BPoint &pointA, const BPoint &pointB)
{
return square(pointA.x - pointB.x) + square(pointA.y - pointB.y);
}
/*
static float
point_rect_distance(const BPoint &point, const BRect &rect)
{
float horizontal = 0;
float vertical = 0;
if (point.x < rect.left)
horizontal = rect.left - point.x;
else if (point.x > rect.right)
horizontal = point.x - rect.right;
if (point.y < rect.top)
vertical = rect.top - point.y;
else if (point.y > rect.bottom)
vertical = point.y - rect.bottom;
return square(horizontal) + square(vertical);
}
*/
#undef square
#endif // __MENU_PRIVATE_H
+2
View File
@@ -25,6 +25,8 @@ class BMenuWindow : public BWindow {
public:
BMenuWindow(const char *name);
virtual ~BMenuWindow();
virtual void DispatchMessage(BMessage *message, BHandler *handler);
void AttachMenu(BMenu *menu);
void DetachMenu();
+66 -67
View File
@@ -1175,7 +1175,6 @@ BMenu::Track(bool sticky, BRect *clickToOpenRect)
int action;
BMenuItem *menuItem = _Track(&action);
_SetStickyMode(false);
fExtraRect = NULL;
return menuItem;
@@ -1253,7 +1252,7 @@ BMenu::_InitData(BMessage* archive)
archive->FindFloat("_maxwidth", &fMaxContentWidth);
BMessage msg;
for (int32 i = 0; archive->FindMessage("_items", i, &msg) == B_OK; i++) {
for (int32 i = 0; archive->FindMessage("_items", i, &msg) == B_OK; i++) {
BArchivable *object = instantiate_object(&msg);
if (BMenuItem *item = dynamic_cast<BMenuItem *>(object)) {
BRect bounds;
@@ -1367,6 +1366,14 @@ BMenu::_Track(int *action, long start)
if (fSuper != NULL)
fSuper->fState = MENU_STATE_TRACKING_SUBMENU;
BPoint location;
uint32 buttons;
if (LockLooper()) {
GetMouse(&location, &buttons);
UnlockLooper();
}
bool releasedOnce = buttons == 0;
while (true) {
if (_CustomTrackingWantsToQuit())
break;
@@ -1374,12 +1381,7 @@ BMenu::_Track(int *action, long start)
bool locked = LockLooper();
if (!locked)
break;
bigtime_t snoozeAmount = 50000;
BPoint location;
uint32 buttons;
GetMouse(&location, &buttons, true);
BMenuWindow *window = static_cast<BMenuWindow *>(Window());
BPoint screenLocation = ConvertToScreen(location);
@@ -1387,8 +1389,11 @@ BMenu::_Track(int *action, long start)
item = NULL;
} else {
item = _HitTestItems(location, B_ORIGIN);
if (item != NULL)
if (item != NULL) {
_UpdateStateOpenSelect(item, openTime, closeTime);
if (!releasedOnce)
releasedOnce = true;
}
}
// Track the submenu
@@ -1397,58 +1402,58 @@ BMenu::_Track(int *action, long start)
locked = false;
int submenuAction = MENU_STATE_TRACKING;
BMenu *submenu = fSelected->Submenu();
bool wasSticky = _IsStickyMode();
if (wasSticky)
submenu->_SetStickyMode(true);
submenu->_SetStickyMode(_IsStickyMode());
BMenuItem *submenuItem = submenu->_Track(&submenuAction);
// check if the user started holding down a mouse button in a submenu
if (wasSticky && !_IsStickyMode()) {
buttons = 1;
// buttons must have been pressed in the meantime
}
if (submenuAction == MENU_STATE_CLOSED) {
item = submenuItem;
fState = submenuAction;
break;
fState = MENU_STATE_CLOSED;
}
locked = LockLooper();
if (!locked)
break;
} else if (item == NULL) {
if (_OverSuper(screenLocation)) {
if (_OverSuper(screenLocation))
fState = MENU_STATE_TRACKING;
UnlockLooper();
break;
}
else {
if (!_OverSubmenu(fSelected, screenLocation)
&& system_time() > closeTime + kHysteresis
&& fState != MENU_STATE_TRACKING_SUBMENU) {
_SelectItem(NULL);
fState = MENU_STATE_TRACKING;
}
if (!_OverSubmenu(fSelected, screenLocation)
&& system_time() > closeTime + kHysteresis
&& fState != MENU_STATE_TRACKING_SUBMENU) {
_SelectItem(NULL);
fState = MENU_STATE_TRACKING;
}
if (fSuper != NULL) {
// Give supermenu the chance to continue tracking
*action = fState;
if (locked)
UnlockLooper();
return NULL;
if (fSuper != NULL) {
// Give supermenu the chance to continue tracking
*action = fState;
if (locked)
UnlockLooper();
return NULL;
}
}
}
if (locked)
if (!locked)
locked = LockLooper();
BPoint newLocation;
uint32 newButtons;
if (locked) {
GetMouse(&newLocation, &newButtons, true);
UnlockLooper();
locked = false;
}
_UpdateStateClose(item, location, buttons);
if (newLocation != location || newButtons != buttons) {
if (!releasedOnce && newButtons == 0 && buttons != 0)
releasedOnce = true;
location = newLocation;
buttons = newButtons;
}
if (releasedOnce)
_UpdateStateClose(item, location, buttons);
if (fState == MENU_STATE_CLOSED)
break;
bigtime_t snoozeAmount = 50000;
snooze(snoozeAmount);
}
@@ -1460,9 +1465,6 @@ BMenu::_Track(int *action, long start)
UnlockLooper();
}
if (_IsStickyMode())
_SetStickyMode(false);
// delete the menu window recycled for all the child menus
_DeleteMenuWindow();
@@ -1503,17 +1505,14 @@ BMenu::_UpdateStateClose(BMenuItem* item, const BPoint& where,
if (buttons != 0 && _IsStickyMode()) {
if (item == NULL)
fState = MENU_STATE_CLOSED;
else {
BMenu *supermenu = Supermenu();
for(; supermenu; supermenu = supermenu->Supermenu())
supermenu->_SetStickyMode(false);
else
_SetStickyMode(false);
}
} else if (buttons == 0 && !_IsStickyMode()) {
if (fExtraRect != NULL && fExtraRect->Contains(where)) {
_SetStickyMode(true);
fExtraRect = NULL;
// This code should be executed only once
// Setting this to NULL will prevent this code
// to be executed next time
} else
fState = MENU_STATE_CLOSED;
}
@@ -2159,7 +2158,16 @@ BMenu::_SetIgnoreHidden(bool on)
void
BMenu::_SetStickyMode(bool on)
{
if (fStickyMode != on) {
if (fStickyMode == on)
return;
fStickyMode = on;
// If we are switching to sticky mode, propagate the status
// back to the super menu
if (fSuper != NULL)
fSuper->_SetStickyMode(on);
else {
// TODO: Ugly hack, but it needs to be done right here in this method
BMenuBar *menuBar = dynamic_cast<BMenuBar *>(this);
if (on && menuBar != NULL && menuBar->LockLooper()) {
@@ -2168,14 +2176,7 @@ BMenu::_SetStickyMode(bool on)
menuBar->_StealFocus();
menuBar->UnlockLooper();
}
fStickyMode = on;
}
// If we are switching to sticky mode, propagate the status
// back to the super menu
if (on && fSuper != NULL)
fSuper->_SetStickyMode(on);
}
@@ -2222,22 +2223,20 @@ BMenu::_ChooseTrigger(const char *title, int32& index, uint32& trigger,
// two runs: first we look out for uppercase letters
// TODO: support Unicode characters correctly!
for (uint32 i = 0; (c = title[i]) != '\0'; i++) {
if (!IsInsideGlyph(c) && isupper(c) && !triggers.HasTrigger(c)) {
index = i;
trigger = tolower(c);
return triggers.AddTrigger(c);;
return triggers.AddTrigger(c);
}
}
// then, if we still haven't found anything, we accept them all
index = 0;
while ((c = UTF8ToCharCode(&title)) != 0) {
if (!isspace(c) && !triggers.HasTrigger(c)) {
trigger = tolower(c);
return triggers.AddTrigger(c);;
return triggers.AddTrigger(c);
}
index++;
+27 -42
View File
@@ -446,17 +446,6 @@ BMenuBar::_TrackTask(void *arg)
}
// Note: since sqrt is slow, we don't use it and return the square of the distance
// TODO: Move this to some common place, could be used in BMenu too.
#define square(x) ((x) * (x))
static float
point_distance(const BPoint &pointA, const BPoint &pointB)
{
return square(pointA.x - pointB.x) + square(pointA.y - pointB.y);
}
#undef square
BMenuItem *
BMenuBar::_Track(int32 *action, int32 startIndex, bool showMenu)
{
@@ -466,24 +455,23 @@ BMenuBar::_Track(int32 *action, int32 startIndex, bool showMenu)
BWindow *window = Window();
fState = MENU_STATE_TRACKING;
if (startIndex != -1) {
be_app->ObscureCursor();
if (window->Lock()) {
BPoint where;
uint32 buttons;
if (window->Lock()) {
if (startIndex != -1) {
be_app->ObscureCursor();
_SelectItem(ItemAt(startIndex), true, true);
window->Unlock();
}
GetMouse(&where, &buttons);
window->Unlock();
}
while (true) {
bigtime_t snoozeAmount = 40000;
bool locked = (Window() != NULL && window->Lock());//WithTimeout(200000)
if (!locked)
break;
BPoint where;
uint32 buttons;
GetMouse(&where, &buttons, true);
BMenuItem *menuItem = _HitTestItems(where, B_ORIGIN);
if (menuItem != NULL) {
// Select item if:
@@ -520,35 +508,26 @@ BMenuBar::_Track(int32 *action, int32 startIndex, bool showMenu)
locked = false;
snoozeAmount = 30000;
bool wasSticky = _IsStickyMode();
if (wasSticky)
menu->_SetStickyMode(true);
menu->_SetStickyMode(wasSticky);
int localAction;
fChosenItem = menu->_Track(&localAction);
if (menu->State(NULL) == MENU_STATE_TRACKING
&& menu->_IsStickyMode())
menu->_SetStickyMode(false);
// check if the user started holding down a mouse button in a submenu
if (wasSticky && !_IsStickyMode()) {
buttons = 1;
// buttons must have been pressed in the meantime
// The mouse could have meen moved since the last time we
// checked its position, or buttons might have been pressed.
// Unfortunately our child menus don't tell
// us the new position.
// TODO: Maybe have a shared struct between all menus
// where to store the current mouse position ?
// (Or just use the BView mouse hooks)
BPoint newWhere;
if (window->Lock()) {
GetMouse(&newWhere, &buttons);
window->Unlock();
}
// This code is needed to make menus
// that are children of BMenuFields "sticky" (see ticket #953)
if (localAction == MENU_STATE_CLOSED) {
// The mouse could have meen moved since the last time we
// checked its position. Unfortunately our child menus don't tell
// us the new position.
// TODO: Maybe have a shared struct between all menus
// where to store the current mouse position ?
BPoint newWhere;
uint32 newButtons;
if (window->Lock()) {
GetMouse(&newWhere, &newButtons);
window->Unlock();
}
if (fExtraRect != NULL && fExtraRect->Contains(where)
// 9 = 3 pixels ^ 2 (since point_distance() returns the square of the distance)
&& point_distance(newWhere, where) < 9) {
@@ -563,8 +542,14 @@ BMenuBar::_Track(int32 *action, int32 startIndex, bool showMenu)
fState = MENU_STATE_TRACKING;
}
if (locked)
if (!locked)
locked = window->Lock();
if (locked) {
GetMouse(&where, &buttons, true);
window->Unlock();
locked = false;
}
if (fState == MENU_STATE_CLOSED
|| (buttons != 0 && _IsStickyMode() && menuItem == NULL))
+7
View File
@@ -243,6 +243,13 @@ BMenuWindow::~BMenuWindow()
}
void
BMenuWindow::DispatchMessage(BMessage *message, BHandler *handler)
{
BWindow::DispatchMessage(message, handler);
}
void
BMenuWindow::AttachMenu(BMenu *menu)
{