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Refactor to centralize GUIButton styling/rendering code (#9090)

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This commit is contained in:
Hugues Ross 2019-12-09 15:06:51 -05:00 • committed by rubenwardy
parent a462181e5f
commit 9284313d17
18 changed files with 522 additions and 145 deletions
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115
src/gui/guiButton.cpp
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@ -5,11 +5,15 @@
#include "guiButton.h"
#include "client/guiscalingfilter.h"
#include "client/tile.h"
#include "IGUISkin.h"
#include "IGUIEnvironment.h"
#include "IVideoDriver.h"
#include "IGUIFont.h"
#include "irrlicht_changes/static_text.h"
#include "porting.h"
#include "StyleSpec.h"
using namespace irr;
using namespace gui;
@ -49,6 +53,9 @@ GUIButton::GUIButton(IGUIEnvironment* environment, IGUIElement* parent,
core::clamp<u32>(Colors[i].getGreen() * COLOR_PRESSED_MOD, 0, 255),
core::clamp<u32>(Colors[i].getBlue() * COLOR_PRESSED_MOD, 0, 255));
}
StaticText = gui::StaticText::add(Environment, Text.c_str(), core::rect<s32>(0,0,rectangle.getWidth(),rectangle.getHeight()), false, false, this, id);
StaticText->setTextAlignment(EGUIA_CENTER, EGUIA_CENTER);
// END PATCH
}
@ -262,7 +269,7 @@ void GUIButton::draw()
{
// PATCH
skin->drawColored3DButtonPaneStandard(this, AbsoluteRect, &AbsoluteClippingRect,
Environment->getHovered() == this ? HoveredColors : Colors);
isHovered() ? HoveredColors : Colors);
// END PATCH
}
else
@ -318,7 +325,7 @@ void GUIButton::draw()
drawSprite(state, FocusTime, pos);
// mouse over / off animation
state = Environment->getHovered() == this ? EGBS_BUTTON_MOUSE_OVER : EGBS_BUTTON_MOUSE_OFF;
state = isHovered() ? EGBS_BUTTON_MOUSE_OVER : EGBS_BUTTON_MOUSE_OFF;
drawSprite(state, HoverTime, pos);
}
else
@ -328,23 +335,6 @@ void GUIButton::draw()
}
}
if (Text.size())
{
IGUIFont* font = getActiveFont();
core::rect<s32> rect = AbsoluteRect;
if (Pressed)
{
rect.UpperLeftCorner.X += skin->getSize(EGDS_BUTTON_PRESSED_TEXT_OFFSET_X);
rect.UpperLeftCorner.Y += skin->getSize(EGDS_BUTTON_PRESSED_TEXT_OFFSET_Y);
}
if (font)
font->draw(Text.c_str(), rect,
OverrideColorEnabled ? OverrideColor : skin->getColor(isEnabled() ? EGDC_BUTTON_TEXT : EGDC_GRAY_TEXT),
true, true, &AbsoluteClippingRect);
}
IGUIElement::draw();
}
@ -371,11 +361,18 @@ void GUIButton::drawSprite(EGUI_BUTTON_STATE state, u32 startTime, const core::p
}
EGUI_BUTTON_IMAGE_STATE GUIButton::getImageState(bool pressed) const
{
// PATCH
return getImageState(pressed, ButtonImages);
// END PATCH
}
EGUI_BUTTON_IMAGE_STATE GUIButton::getImageState(bool pressed, const ButtonImage* images) const
{
// figure state we should have
EGUI_BUTTON_IMAGE_STATE state = EGBIS_IMAGE_DISABLED;
bool focused = Environment->hasFocus((IGUIElement*)this);
bool mouseOver = static_cast<const IGUIElement*>(Environment->getHovered()) == this; // (static cast for Borland)
bool mouseOver = isHovered();
if (isEnabled())
{
if ( pressed )
@ -403,7 +400,7 @@ EGUI_BUTTON_IMAGE_STATE GUIButton::getImageState(bool pressed) const
}
// find a compatible state that has images
while ( state != EGBIS_IMAGE_UP && !ButtonImages[(u32)state].Texture )
while ( state != EGBIS_IMAGE_UP && !images[(u32)state].Texture )
{
// PATCH
switch ( state )
@ -451,6 +448,8 @@ void GUIButton::setOverrideFont(IGUIFont* font)
if (OverrideFont)
OverrideFont->grab();
StaticText->setOverrideFont(font);
}
//! Gets the override font (if any)
@ -475,6 +474,8 @@ void GUIButton::setOverrideColor(video::SColor color)
{
OverrideColor = color;
OverrideColorEnabled = true;
StaticText->setOverrideColor(color);
}
video::SColor GUIButton::getOverrideColor() const
@ -540,6 +541,14 @@ void GUIButton::setHoveredImage(video::ITexture* image, const core::rect<s32>& p
setImage(gui::EGBIS_IMAGE_UP_MOUSEOVER, image, pos);
setImage(gui::EGBIS_IMAGE_UP_FOCUSED_MOUSEOVER, image, pos);
}
//! Sets the text displayed by the button
void GUIButton::setText(const wchar_t* text)
{
StaticText->setText(text);
IGUIButton::setText(text);
}
// END PATCH
//! Sets if the button should behave like a push button. Which means it
@ -557,6 +566,14 @@ bool GUIButton::isPressed() const
return Pressed;
}
// PATCH
//! Returns if this element (or one of its direct children) is hovered
bool GUIButton::isHovered() const
{
IGUIElement *hovered = Environment->getHovered();
return hovered == this || (hovered != nullptr && hovered->getParent() == this);
}
// END PATCH
//! Sets the pressed state of the button if this is a pushbutton
void GUIButton::setPressed(bool pressed)
@ -565,6 +582,24 @@ void GUIButton::setPressed(bool pressed)
{
ClickTime = porting::getTimeMs();
Pressed = pressed;
GUISkin* skin = dynamic_cast<GUISkin*>(Environment->getSkin());
for(IGUIElement *child : getChildren())
{
core::rect<s32> originalRect = child->getRelativePosition();
if (Pressed) {
child->setRelativePosition(originalRect +
core::dimension2d<s32>(
skin->getSize(irr::gui::EGDS_BUTTON_PRESSED_IMAGE_OFFSET_X),
skin->getSize(irr::gui::EGDS_BUTTON_PRESSED_IMAGE_OFFSET_Y)));
} else {
child->setRelativePosition(originalRect -
core::dimension2d<s32>(
skin->getSize(irr::gui::EGDS_BUTTON_PRESSED_IMAGE_OFFSET_X),
skin->getSize(irr::gui::EGDS_BUTTON_PRESSED_IMAGE_OFFSET_Y)));
}
}
}
}
@ -722,4 +757,42 @@ void GUIButton::setPressedColor(video::SColor color)
PressedColors[i] = base.getInterpolated(color, d);
}
}
//! Set element properties from a StyleSpec
void GUIButton::setFromStyle(const StyleSpec& style, ISimpleTextureSource *tsrc)
{
if (style.isNotDefault(StyleSpec::BGCOLOR)) {
setColor(style.getColor(StyleSpec::BGCOLOR));
}
if (style.isNotDefault(StyleSpec::BGCOLOR_HOVERED)) {
setHoveredColor(style.getColor(StyleSpec::BGCOLOR_HOVERED));
}
if (style.isNotDefault(StyleSpec::BGCOLOR_PRESSED)) {
setPressedColor(style.getColor(StyleSpec::BGCOLOR_PRESSED));
}
if (style.isNotDefault(StyleSpec::TEXTCOLOR)) {
setOverrideColor(style.getColor(StyleSpec::TEXTCOLOR));
}
setNotClipped(style.getBool(StyleSpec::NOCLIP, isNotClipped()));
setDrawBorder(style.getBool(StyleSpec::BORDER, DrawBorder));
setUseAlphaChannel(style.getBool(StyleSpec::ALPHA, true));
if (style.isNotDefault(StyleSpec::BGIMG)) {
video::ITexture *texture = style.getTexture(StyleSpec::BGIMG, tsrc);
video::ITexture *hovered_texture = style.getTexture(StyleSpec::BGIMG_HOVERED, tsrc, texture);
video::ITexture *pressed_texture = style.getTexture(StyleSpec::BGIMG_PRESSED, tsrc, texture);
const core::position2di buttonCenter(AbsoluteRect.getCenter());
core::position2d<s32> geom(buttonCenter);
setImage(guiScalingImageButton(
Environment->getVideoDriver(), texture, geom.X, geom.Y));
setHoveredImage(guiScalingImageButton(
Environment->getVideoDriver(), hovered_texture, geom.X, geom.Y));
setPressedImage(guiScalingImageButton(
Environment->getVideoDriver(), pressed_texture, geom.X, geom.Y));
setScaleImage(true);
}
}
// END PATCH