diff options
Diffstat (limited to 'pdf')
| -rw-r--r-- | pdf/instance.cc | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/pdf/instance.cc b/pdf/instance.cc index 0ba1e66..0feeff4 100644 --- a/pdf/instance.cc +++ b/pdf/instance.cc @@ -497,20 +497,20 @@ bool Instance::HandleInputEvent(const pp::InputEvent& event) { // Left/Right arrows should scroll to the beginning of the Prev/Next page if // there is no horizontal scroll bar. // If fit-to-height, PgDown/PgUp should scroll to the beginning of the - // Prev/Next page. + // Prev/Next page. Spacebar / shift+spacebar should do the same. if (v_scrollbar_.get() && event.GetType() == PP_INPUTEVENT_TYPE_KEYDOWN) { pp::KeyboardInputEvent keyboard_event(event); - bool page_down = - (!h_scrollbar_.get() && - keyboard_event.GetKeyCode() == ui::VKEY_RIGHT) || - (zoom_mode_ == ZOOM_FIT_TO_PAGE && - keyboard_event.GetKeyCode() == ui::VKEY_NEXT); - bool page_up = - (!h_scrollbar_.get() && - keyboard_event.GetKeyCode() == ui::VKEY_LEFT) || - (zoom_mode_ == ZOOM_FIT_TO_PAGE && - keyboard_event.GetKeyCode() == ui::VKEY_PRIOR); - + bool no_h_scrollbar = !h_scrollbar_.get(); + uint32_t key_code = keyboard_event.GetKeyCode(); + bool page_down = no_h_scrollbar && key_code == ui::VKEY_RIGHT; + bool page_up = no_h_scrollbar && key_code == ui::VKEY_LEFT; + if (zoom_mode_ == ZOOM_FIT_TO_PAGE) { + bool has_shift = + keyboard_event.GetModifiers() & PP_INPUTEVENT_MODIFIER_SHIFTKEY; + bool key_is_space = key_code == ui::VKEY_SPACE; + page_down |= key_is_space || key_code == ui::VKEY_NEXT; + page_up |= (key_is_space && has_shift) || (key_code == ui::VKEY_PRIOR); + } if (page_down) { int page = engine_->GetFirstVisiblePage(); // Engine calculates visible page including delimiter to the page size. |