diff options
Diffstat (limited to 'indra/llwindow/llwindowmacosx.cpp')
| -rw-r--r-- | indra/llwindow/llwindowmacosx.cpp | 195 |
1 files changed, 188 insertions, 7 deletions
diff --git a/indra/llwindow/llwindowmacosx.cpp b/indra/llwindow/llwindowmacosx.cpp index ed62faece6..9ccd4c7f97 100644 --- a/indra/llwindow/llwindowmacosx.cpp +++ b/indra/llwindow/llwindowmacosx.cpp @@ -278,6 +278,8 @@ LLWindowMacOSX::LLWindowMacOSX(LLWindowCallbacks* callbacks, mMoveEventCampartorUPP = NewEventComparatorUPP(staticMoveEventComparator); mGlobalHandlerRef = NULL; mWindowHandlerRef = NULL; + + mDragOverrideCursor = -1; // We're not clipping yet SetRect( &mOldMouseClip, 0, 0, 0, 0 ); @@ -499,8 +501,11 @@ BOOL LLWindowMacOSX::createContext(int x, int y, int width, int height, int bits // Set up window event handlers (some window-related events ONLY go to window handlers.) InstallStandardEventHandler(GetWindowEventTarget(mWindow)); - InstallWindowEventHandler (mWindow, mEventHandlerUPP, GetEventTypeCount (WindowHandlerEventList), WindowHandlerEventList, (void*)this, &mWindowHandlerRef); // add event handler - + InstallWindowEventHandler(mWindow, mEventHandlerUPP, GetEventTypeCount (WindowHandlerEventList), WindowHandlerEventList, (void*)this, &mWindowHandlerRef); // add event handler +#if LL_OS_DRAGDROP_ENABLED + InstallTrackingHandler( dragTrackingHandler, mWindow, (void*)this ); + InstallReceiveHandler( dragReceiveHandler, mWindow, (void*)this ); +#endif // LL_OS_DRAGDROP_ENABLED } { @@ -2174,11 +2179,8 @@ OSStatus LLWindowMacOSX::eventHandler (EventHandlerCallRef myHandler, EventRef e } else { - MASK mask = 0; - if(modifiers & shiftKey) { mask |= MASK_SHIFT; } - if(modifiers & (cmdKey | controlKey)) { mask |= MASK_CONTROL; } - if(modifiers & optionKey) { mask |= MASK_ALT; } - + MASK mask = LLWindowMacOSX::modifiersToMask(modifiers); + llassert( actualType == typeUnicodeText ); // The result is a UTF16 buffer. Pass the characters in turn to handleUnicodeChar. @@ -2795,6 +2797,14 @@ void LLWindowMacOSX::setCursor(ECursorType cursor) { OSStatus result = noErr; + if (mDragOverrideCursor != -1) + { + // A drag is in progress...remember the requested cursor and we'll + // restore it when it is done + mCurrentCursor = cursor; + return; + } + if (cursor == UI_CURSOR_ARROW && mBusyCount > 0) { @@ -3379,3 +3389,174 @@ std::vector<std::string> LLWindowMacOSX::getDynamicFallbackFontList() return std::vector<std::string>(); } +// static +MASK LLWindowMacOSX::modifiersToMask(SInt16 modifiers) +{ + MASK mask = 0; + if(modifiers & shiftKey) { mask |= MASK_SHIFT; } + if(modifiers & (cmdKey | controlKey)) { mask |= MASK_CONTROL; } + if(modifiers & optionKey) { mask |= MASK_ALT; } + return mask; +} + +#if LL_OS_DRAGDROP_ENABLED + +OSErr LLWindowMacOSX::dragTrackingHandler(DragTrackingMessage message, WindowRef theWindow, + void * handlerRefCon, DragRef drag) +{ + OSErr result = noErr; + LLWindowMacOSX *self = (LLWindowMacOSX*)handlerRefCon; + + lldebugs << "drag tracking handler, message = " << message << llendl; + + switch(message) + { + case kDragTrackingInWindow: + result = self->handleDragNDrop(drag, LLWindowCallbacks::DNDA_TRACK); + break; + + case kDragTrackingEnterHandler: + result = self->handleDragNDrop(drag, LLWindowCallbacks::DNDA_START_TRACKING); + break; + + case kDragTrackingLeaveHandler: + result = self->handleDragNDrop(drag, LLWindowCallbacks::DNDA_STOP_TRACKING); + break; + + default: + break; + } + + return result; +} + +OSErr LLWindowMacOSX::dragReceiveHandler(WindowRef theWindow, void * handlerRefCon, + DragRef drag) +{ + LLWindowMacOSX *self = (LLWindowMacOSX*)handlerRefCon; + return self->handleDragNDrop(drag, LLWindowCallbacks::DNDA_DROPPED); + +} + +OSErr LLWindowMacOSX::handleDragNDrop(DragRef drag, LLWindowCallbacks::DragNDropAction action) +{ + OSErr result = dragNotAcceptedErr; // overall function result + OSErr err = noErr; // for local error handling + + // Get the mouse position and modifiers of this drag. + SInt16 modifiers, mouseDownModifiers, mouseUpModifiers; + ::GetDragModifiers(drag, &modifiers, &mouseDownModifiers, &mouseUpModifiers); + MASK mask = LLWindowMacOSX::modifiersToMask(modifiers); + + Point mouse_point; + // This will return the mouse point in global screen coords + ::GetDragMouse(drag, &mouse_point, NULL); + LLCoordScreen screen_coords(mouse_point.h, mouse_point.v); + LLCoordGL gl_pos; + convertCoords(screen_coords, &gl_pos); + + // Look at the pasteboard and try to extract an URL from it + PasteboardRef pasteboard; + if(GetDragPasteboard(drag, &pasteboard) == noErr) + { + ItemCount num_items = 0; + // Treat an error here as an item count of 0 + (void)PasteboardGetItemCount(pasteboard, &num_items); + + // Only deal with single-item drags. + if(num_items == 1) + { + PasteboardItemID item_id = NULL; + CFArrayRef flavors = NULL; + CFDataRef data = NULL; + + err = PasteboardGetItemIdentifier(pasteboard, 1, &item_id); // Yes, this really is 1-based. + + // Try to extract an URL from the pasteboard + if(err == noErr) + { + err = PasteboardCopyItemFlavors( pasteboard, item_id, &flavors); + } + + if(err == noErr) + { + if(CFArrayContainsValue(flavors, CFRangeMake(0, CFArrayGetCount(flavors)), kUTTypeURL)) + { + // This is an URL. + err = PasteboardCopyItemFlavorData(pasteboard, item_id, kUTTypeURL, &data); + } + else if(CFArrayContainsValue(flavors, CFRangeMake(0, CFArrayGetCount(flavors)), kUTTypeUTF8PlainText)) + { + // This is a string that might be an URL. + err = PasteboardCopyItemFlavorData(pasteboard, item_id, kUTTypeUTF8PlainText, &data); + } + + } + + if(flavors != NULL) + { + CFRelease(flavors); + } + + if(data != NULL) + { + std::string url; + url.assign((char*)CFDataGetBytePtr(data), CFDataGetLength(data)); + CFRelease(data); + + if(!url.empty()) + { + LLWindowCallbacks::DragNDropResult res = + mCallbacks->handleDragNDrop(this, gl_pos, mask, action, url); + + switch (res) { + case LLWindowCallbacks::DND_NONE: // No drop allowed + if (action == LLWindowCallbacks::DNDA_TRACK) + { + mDragOverrideCursor = kThemeNotAllowedCursor; + } + else { + mDragOverrideCursor = -1; + } + break; + case LLWindowCallbacks::DND_MOVE: // Drop accepted would result in a "move" operation + mDragOverrideCursor = kThemePointingHandCursor; + result = noErr; + break; + case LLWindowCallbacks::DND_COPY: // Drop accepted would result in a "copy" operation + mDragOverrideCursor = kThemeCopyArrowCursor; + result = noErr; + break; + case LLWindowCallbacks::DND_LINK: // Drop accepted would result in a "link" operation: + mDragOverrideCursor = kThemeAliasArrowCursor; + result = noErr; + break; + default: + mDragOverrideCursor = -1; + break; + } + // This overrides the cursor being set by setCursor. + // This is a bit of a hack workaround because lots of areas + // within the viewer just blindly set the cursor. + if (mDragOverrideCursor == -1) + { + // Restore the cursor + ECursorType temp_cursor = mCurrentCursor; + // get around the "setting the same cursor" code in setCursor() + mCurrentCursor = UI_CURSOR_COUNT; + setCursor(temp_cursor); + } + else { + // Override the cursor + SetThemeCursor(mDragOverrideCursor); + } + + } + } + } + } + + return result; +} + +#endif // LL_OS_DRAGDROP_ENABLED |