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UI: Transition button and item focus/presses.

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Just a quick touch of transition.
This commit is contained in:
Unknown W. Brackets 2017-12-10 00:17:35 -08:00
parent 6194ef60be
commit b00f6ac8c1
4 changed files with 78 additions and 17 deletions
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6
ext/native/ui/ui_tween.cpp
View File

@ -77,6 +77,12 @@ void TextColorTween::DoApply(View *view, float pos) {
tv->SetTextColor(Current(pos));
}
void CallbackColorTween::DoApply(View *view, float pos) {
if (callback_) {
callback_(view, Current(pos));
}
}
void VisibilityTween::DoApply(View *view, float pos) {
view->SetVisibility(Current(pos));
}

15
ext/native/ui/ui_tween.h
View File

@ -2,6 +2,7 @@
#include <algorithm>
#include <cstdint>
#include <functional>
#include "base/timeutil.h"
#include "ui/view.h"
@ -157,6 +158,20 @@ protected:
void DoApply(View *view, float pos) override;
};
class CallbackColorTween : public ColorTween {
public:
using ColorTween::ColorTween;
void SetCallback(const std::function<void(View *v, uint32_t c)> &cb) {
callback_ = cb;
}
protected:
void DoApply(View *view, float pos) override;
std::function<void(View *v, uint32_t c)> callback_;
};
class VisibilityTween : public TweenBase<Visibility> {
public:
using TweenBase::TweenBase;

44
ext/native/ui/view.cpp
View File

@ -261,6 +261,22 @@ bool View::SetFocus() {
return false;
}
Clickable::Clickable(LayoutParams *layoutParams)
: View(layoutParams) {
// We set the colors later once we have a UIContext.
bgColor_ = AddTween(new CallbackColorTween(0.1f));
bgColor_->Persist();
}
void Clickable::DrawBG(UIContext &dc, const Style &style) {
if (style.background.type == DRAW_SOLID_COLOR) {
bgColor_->Divert(style.background.color, down_ ? 0.05f : 0.1f);
dc.FillRect(Drawable(bgColor_->CurrentValue()), bounds_);
} else {
dc.FillRect(style.background, bounds_);
}
}
void Clickable::Click() {
UI::EventParams e{};
e.v = this;
@ -460,7 +476,7 @@ void ClickableItem::Draw(UIContext &dc) {
style = dc.theme->itemDownStyle;
}
dc.FillRect(style.background, bounds_);
DrawBG(dc, style);
}
void Choice::GetContentDimensionsBySpec(const UIContext &dc, MeasureSpec horiz, MeasureSpec vert, float &w, float &h) const {
@ -512,7 +528,8 @@ void Choice::Draw(UIContext &dc) {
if (HasFocus()) {
style = dc.theme->itemFocusedStyle;
}
dc.FillRect(style.background, bounds_);
DrawBG(dc, style);
}
Style style = dc.theme->itemStyle;
@ -548,11 +565,30 @@ void Choice::Draw(UIContext &dc) {
}
}
InfoItem::InfoItem(const std::string &text, const std::string &rightText, LayoutParams *layoutParams)
: Item(layoutParams), text_(text), rightText_(rightText) {
// We set the colors later once we have a UIContext.
bgColor_ = AddTween(new CallbackColorTween(0.1f));
bgColor_->Persist();
fgColor_ = AddTween(new CallbackColorTween(0.1f));
fgColor_->Persist();
}
void InfoItem::Draw(UIContext &dc) {
Item::Draw(dc);
UI::Style style = HasFocus() ? dc.theme->itemFocusedStyle : dc.theme->infoStyle;
style.background.color &= 0x7fffffff;
if (style.background.type == DRAW_SOLID_COLOR) {
// For a smoother fade, using the same color with 0 alpha.
if ((style.background.color & 0xFF000000) == 0)
style.background.color = dc.theme->itemFocusedStyle.background.color & 0x00FFFFFF;
bgColor_->Divert(style.background.color & 0x7fffffff);
style.background.color = bgColor_->CurrentValue();
}
fgColor_->Divert(style.fgColor);
style.fgColor = fgColor_->CurrentValue();
dc.FillRect(style.background, bounds_);
int paddingX = 12;
@ -690,7 +726,7 @@ void Button::Draw(UIContext &dc) {
if (!IsEnabled()) style = dc.theme->buttonDisabledStyle;
// dc.Draw()->DrawImage4Grid(style.image, bounds_.x, bounds_.y, bounds_.x2(), bounds_.y2(), style.bgColor);
dc.FillRect(style.background, bounds_);
DrawBG(dc, style);
float tw, th;
dc.MeasureText(dc.theme->uiFont, 1.0f, 1.0f, text_.c_str(), &tw, &th);
if (tw > bounds_.w || imageID_ != -1) {

26
ext/native/ui/view.h
View File

@ -347,6 +347,7 @@ private:
View *GetFocusedView();
class Tween;
class CallbackColorTween;
class View {
public:
@ -468,8 +469,7 @@ public:
// All these light up their background when touched, or have focus.
class Clickable : public View {
public:
Clickable(LayoutParams *layoutParams)
: View(layoutParams), downCountDown_(0), dragging_(false), down_(false){}
Clickable(LayoutParams *layoutParams);
bool Key(const KeyInput &input) override;
void Touch(const TouchInput &input) override;
@ -483,10 +483,12 @@ protected:
// the event.
// Use it for checking/unchecking checkboxes, etc.
virtual void Click();
void DrawBG(UIContext &dc, const Style &style);
int downCountDown_;
bool dragging_;
bool down_;
CallbackColorTween *bgColor_ = nullptr;
int downCountDown_ = 0;
bool dragging_ = false;
bool down_ = false;
};
class Button : public Clickable {
@ -613,11 +615,11 @@ public:
// Use to trigger something or open a submenu screen.
class Choice : public ClickableItem {
public:
Choice(const std::string &text, LayoutParams *layoutParams = 0)
: ClickableItem(layoutParams), text_(text), smallText_(), atlasImage_(-1), iconImage_(-1), centered_(false), highlighted_(false), selected_(false) {}
Choice(const std::string &text, const std::string &smallText, bool selected = false, LayoutParams *layoutParams = 0)
Choice(const std::string &text, LayoutParams *layoutParams = nullptr)
: Choice(text, std::string(), false, layoutParams) {}
Choice(const std::string &text, const std::string &smallText, bool selected = false, LayoutParams *layoutParams = nullptr)
: ClickableItem(layoutParams), text_(text), smallText_(smallText), atlasImage_(-1), iconImage_(-1), centered_(false), highlighted_(false), selected_(selected) {}
Choice(ImageID image, LayoutParams *layoutParams = 0)
Choice(ImageID image, LayoutParams *layoutParams = nullptr)
: ClickableItem(layoutParams), atlasImage_(image), iconImage_(-1), centered_(false), highlighted_(false), selected_(false) {}
virtual void HighlightChanged(bool highlighted);
@ -670,8 +672,7 @@ protected:
class InfoItem : public Item {
public:
InfoItem(const std::string &text, const std::string &rightText, LayoutParams *layoutParams = 0)
: Item(layoutParams), text_(text), rightText_(rightText) {}
InfoItem(const std::string &text, const std::string &rightText, LayoutParams *layoutParams = nullptr);
void Draw(UIContext &dc) override;
@ -689,6 +690,9 @@ public:
}
private:
CallbackColorTween *bgColor_ = nullptr;
CallbackColorTween *fgColor_ = nullptr;
std::string text_;
std::string rightText_;
};