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Add focused styling to buttons (#13414)
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@ -3211,6 +3211,7 @@ Some types may inherit styles from parent types.
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* *all elements*
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* default - Equivalent to providing no states
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* button, button_exit, image_button, item_image_button
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* focused - Active when button has focus
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* hovered - Active when the mouse is hovering over the element
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* pressed - Active when the button is pressed
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@ -190,6 +190,7 @@ local style_fs = [[
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style[one_btn14:hovered;bgimg=testformspec_bg_hovered.png;fgimg=testformspec_hovered.png;textcolor=yellow]
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style[one_btn14:pressed;bgimg=testformspec_bg_pressed.png;fgimg=testformspec_pressed.png;textcolor=blue]
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style[one_btn14:hovered+pressed;textcolor=purple]
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style[one_btn14:focused;textcolor=red]
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image_button[0,9.6;1,1;testformspec_button_image.png;one_btn14;Bg]
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style[one_btn15;border=false;bgcolor=#1cc;bgimg=testformspec_bg.png;bgimg_hovered=testformspec_bg_hovered.png;bgimg_pressed=testformspec_bg_pressed.png]
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@ -198,10 +199,10 @@ local style_fs = [[
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style[one_btn16;border=false;bgimg=testformspec_bg_9slice.png;bgimg_middle=4,6;padding=5,7;fgimg=testformspec_bg.png;fgimg_middle=1]
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style[one_btn16:hovered;bgimg=testformspec_bg_9slice_hovered.png;fgimg=testformspec_bg_hovered.png]
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style[one_btn16:pressed;bgimg=testformspec_bg_9slice_pressed.png;fgimg=testformspec_bg_pressed.png]
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style[one_btn16:focused;bgimg=testformspec_bg_9slice_focused.png;fgimg=testformspec_bg_focused.png]
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image_button[2.5,9.6;2,1;;one_btn16;9-Slice Bg]
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container[2.75,0]
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style[one_tb1;textcolor=Yellow]
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@ -61,13 +61,16 @@ public:
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NUM_PROPERTIES,
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NONE
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};
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enum State
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// State is a bitfield, it's possible to have multiple of these at once
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enum State : u8
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{
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STATE_DEFAULT = 0,
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STATE_HOVERED = 1 << 0,
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STATE_PRESSED = 1 << 1,
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NUM_STATES = 1 << 2,
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STATE_INVALID = 1 << 3,
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STATE_FOCUSED = 1 << 0,
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STATE_HOVERED = 1 << 1,
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STATE_PRESSED = 1 << 2,
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NUM_STATES = 1 << 3, // This includes all permutations
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STATE_INVALID = 1 << 4,
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};
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private:
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@ -150,6 +153,8 @@ public:
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{
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if (name == "default") {
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return STATE_DEFAULT;
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} else if (name == "focused") {
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return STATE_FOCUSED;
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} else if (name == "hovered") {
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return STATE_HOVERED;
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} else if (name == "pressed") {
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@ -200,6 +200,7 @@ bool GUIButton::OnEvent(const SEvent& event)
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// mouse is outside of the formspec. Thus, we test the position here.
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if ( !IsPushButton && AbsoluteClippingRect.isPointInside(
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core::position2d<s32>(event.MouseInput.X, event.MouseInput.Y ))) {
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Environment->setFocus(this);
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setPressed(true);
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}
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@ -258,8 +259,10 @@ void GUIButton::draw()
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// PATCH
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// Track hovered state, if it has changed then we need to update the style.
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bool hovered = isHovered();
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if (hovered != WasHovered) {
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bool focused = isFocused();
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if (hovered != WasHovered || focused != WasFocused) {
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WasHovered = hovered;
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WasFocused = focused;
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setFromState();
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}
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@ -387,7 +390,7 @@ EGUI_BUTTON_IMAGE_STATE GUIButton::getImageState(bool pressed, const ButtonImage
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{
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// figure state we should have
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EGUI_BUTTON_IMAGE_STATE state = EGBIS_IMAGE_DISABLED;
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bool focused = Environment->hasFocus((IGUIElement*)this);
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bool focused = isFocused();
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bool mouseOver = isHovered();
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if (isEnabled())
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{
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@ -582,6 +585,12 @@ bool GUIButton::isHovered() const
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IGUIElement *hovered = Environment->getHovered();
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return hovered == this || (hovered != nullptr && hovered->getParent() == this);
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}
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//! Returns if this element (or one of its direct children) is focused
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bool GUIButton::isFocused() const
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{
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return Environment->hasFocus((IGUIElement*)this, true);
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}
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// END PATCH
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//! Sets the pressed state of the button if this is a pushbutton
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@ -662,6 +671,9 @@ void GUIButton::setFromState()
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if (isHovered())
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state = static_cast<StyleSpec::State>(state | StyleSpec::STATE_HOVERED);
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if (isFocused())
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state = static_cast<StyleSpec::State>(state | StyleSpec::STATE_FOCUSED);
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setFromStyle(StyleSpec::getStyleFromStatePropagation(Styles, state));
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}
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@ -123,6 +123,9 @@ public:
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// PATCH
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//! Returns if this element (or one of its direct children) is hovered
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bool isHovered() const;
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//! Returns if this element (or one of its direct children) is focused
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bool isFocused() const;
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// END PATCH
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//! Sets if the button should use the skin to draw its border
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@ -268,6 +271,7 @@ private:
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video::SColor Colors[4];
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// PATCH
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bool WasHovered = false;
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bool WasFocused = false;
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ISimpleTextureSource *TSrc;
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gui::IGUIStaticText *StaticText;
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