diff options
Diffstat (limited to 'indra/llui/llbutton.cpp')
| -rw-r--r-- | indra/llui/llbutton.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/indra/llui/llbutton.cpp b/indra/llui/llbutton.cpp index 74b8885e1f..be657dbb9b 100644 --- a/indra/llui/llbutton.cpp +++ b/indra/llui/llbutton.cpp @@ -104,6 +104,7 @@ LLButton::Params::Params() use_draw_context_alpha("use_draw_context_alpha", true), badge("badge"), handle_right_mouse("handle_right_mouse"), + click_on_drag_and_drop("click_on_drag_and_drop", false), held_down_delay("held_down_delay"), button_flash_count("button_flash_count"), button_flash_rate("button_flash_rate") @@ -171,6 +172,7 @@ LLButton::LLButton(const LLButton::Params& p) mHeldDownSignal(NULL), mUseDrawContextAlpha(p.use_draw_context_alpha), mHandleRightMouse(p.handle_right_mouse), + mClickOnDragAndDrop(p.click_on_drag_and_drop), // if true, hovering on button while dragging -> click mButtonFlashCount(p.button_flash_count), mButtonFlashRate(p.button_flash_rate) { @@ -1240,3 +1242,29 @@ BOOL LLButton::handleDoubleClick(S32 x, S32 y, MASK mask) // just treat a double click as a second click return handleMouseDown(x, y, mask); } + +// virtual +BOOL LLButton::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop, EDragAndDropType type, void* cargo_data, EAcceptance *accept, std::string &tooltip) +{ + const F32 CLICK_ON_DAD_DELAY_TIME = 0.5f; + if (mClickOnDragAndDrop) + { + // In that case, though the button doesn't really handles drops, it'll "click" if hovering on it + // while dragging something. That allows for instance drilling into tabbed containers. + // Note: we use the same timer as mouse down just as convenience and to avoid duplication. + if (mMouseDownTimer.getStarted()) + { + if (mMouseDownTimer.getElapsedTimeF32() > CLICK_ON_DAD_DELAY_TIME ) + { + onCommit(); + mMouseDownTimer.stop(); + } + } + else + { + mMouseDownTimer.start(); + } + } + // The true DaD effect is handled at the View level if any. + return LLView::handleDragAndDrop(x, y, mask, drop, type, cargo_data, accept, tooltip); +} |