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UI: Transition tab strips on select.

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Following their orientation setting.
This commit is contained in:
Unknown W. Brackets 2017-12-10 14:08:49 -08:00
parent 753e59c027
commit f3c01cf19c
2 changed files with 66 additions and 20 deletions
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68
ext/native/ui/viewgroup.cpp
View File

@ -6,7 +6,9 @@
#include "base/stringutil.h"
#include "base/timeutil.h"
#include "input/keycodes.h"
#include "math/curves.h"
#include "ui/ui_context.h"
#include "ui/ui_tween.h"
#include "ui/view.h"
#include "ui/viewgroup.h"
#include "gfx_es2/draw_buffer.h"
@ -143,6 +145,7 @@ void ViewGroup::Draw(UIContext &dc) {
}
void ViewGroup::Update() {
View::Update();
for (View *view : views_) {
if (view->GetVisibility() != V_GONE)
view->Update();
@ -1110,10 +1113,7 @@ void GridLayout::Layout() {
}
TabHolder::TabHolder(Orientation orientation, float stripSize, LayoutParams *layoutParams)
: LinearLayout(Opposite(orientation), layoutParams),
tabStrip_(nullptr), tabScroll_(nullptr),
stripSize_(stripSize),
currentTab_(0) {
: LinearLayout(Opposite(orientation), layoutParams), stripSize_(stripSize) {
SetSpacing(0.0f);
if (orientation == ORIENT_HORIZONTAL) {
tabStrip_ = new ChoiceStrip(orientation, new LayoutParams(WRAP_CONTENT, WRAP_CONTENT));
@ -1125,9 +1125,23 @@ TabHolder::TabHolder(Orientation orientation, float stripSize, LayoutParams *lay
tabStrip_ = new ChoiceStrip(orientation, new LayoutParams(stripSize, WRAP_CONTENT));
tabStrip_->SetTopTabs(true);
Add(tabStrip_);
tabScroll_ = nullptr;
}
tabStrip_->OnChoice.Handle(this, &TabHolder::OnTabClick);
contents_ = new AnchorLayout(new LinearLayoutParams(1.0f));
Add(contents_);
}
void TabHolder::AddTabContents(const std::string &title, View *tabContents) {
tabContents->ReplaceLayoutParams(new AnchorLayoutParams(FILL_PARENT, FILL_PARENT));
tabs_.push_back(tabContents);
tabStrip_->AddChoice(title);
contents_->Add(tabContents);
if (tabs_.size() > 1)
tabContents->SetVisibility(V_GONE);
// Will be filled in later.
tabTweens_.push_back(nullptr);
}
void TabHolder::SetCurrentTab(int tab) {
@ -1135,10 +1149,44 @@ void TabHolder::SetCurrentTab(int tab) {
// Ignore
return;
}
auto setupTween = [&](View *view, AnchorTranslateTween *&tween) {
if (tween)
return;
tween = new AnchorTranslateTween(0.15f, bezierEaseInOut);
tween->Finish.Add([&](EventParams &e) {
e.v->SetVisibility(tabs_[currentTab_] == e.v ? V_VISIBLE : V_GONE);
return EVENT_DONE;
});
view->AddTween(tween)->Persist();
};
if (tab != currentTab_) {
tabs_[currentTab_]->SetVisibility(V_GONE);
Orientation orient = Opposite(orientation_);
// Direction from which the new tab will come.
float dir = tab < currentTab_ ? -1.0f : 1.0f;
// First, setup any missing tweens.
setupTween(tabs_[currentTab_], tabTweens_[currentTab_]);
setupTween(tabs_[tab], tabTweens_[tab]);
// Currently displayed, so let's reset it.
tabTweens_[currentTab_]->Reset(Point(0.0f, 0.0f));
if (orient == ORIENT_HORIZONTAL) {
tabTweens_[tab]->Reset(Point(bounds_.w * dir, 0.0f));
tabTweens_[currentTab_]->Divert(Point(bounds_.w * -dir, 0.0f));
} else {
tabTweens_[tab]->Reset(Point(0.0f, bounds_.h * dir));
tabTweens_[currentTab_]->Divert(Point(0.0f, bounds_.h * -dir));
}
// Actually move it to the initial position now, just to avoid any flicker.
tabTweens_[tab]->Apply(tabs_[tab]);
tabTweens_[tab]->Divert(Point(0.0f, 0.0f));
tabs_[tab]->SetVisibility(V_VISIBLE);
currentTab_ = tab;
tabs_[currentTab_]->SetVisibility(V_VISIBLE);
}
tabStrip_->SetSelection(tab);
}
@ -1146,10 +1194,8 @@ void TabHolder::SetCurrentTab(int tab) {
EventReturn TabHolder::OnTabClick(EventParams &e) {
// We have e.b set when it was an explicit click action.
// In that case, we make the view gone and then visible - this scrolls scrollviews to the top.
if (currentTab_ != (int)e.a || e.b != 0) {
tabs_[currentTab_]->SetVisibility(V_GONE);
currentTab_ = e.a;
tabs_[currentTab_]->SetVisibility(V_VISIBLE);
if (e.b != 0) {
SetCurrentTab((int)e.a);
}
return EVENT_DONE;
}

18
ext/native/ui/viewgroup.h
View File

@ -12,6 +12,8 @@
namespace UI {
class AnchorTranslateTween;
struct NeighborResult {
NeighborResult() : view(0), score(0) {}
NeighborResult(View *v, float s) : view(v), score(s) {}
@ -303,12 +305,7 @@ public:
template <class T>
T *AddTab(const std::string &title, T *tabContents) {
tabContents->ReplaceLayoutParams(new LinearLayoutParams(1.0f));
tabs_.push_back(tabContents);
tabStrip_->AddChoice(title);
Add(tabContents);
if (tabs_.size() > 1)
tabContents->SetVisibility(V_GONE);
AddTabContents(title, (View *)tabContents);
return tabContents;
}
@ -320,14 +317,17 @@ public:
void PersistData(PersistStatus status, std::string anonId, PersistMap &storage) override;
private:
void AddTabContents(const std::string &title, View *tabContents);
EventReturn OnTabClick(EventParams &e);
ChoiceStrip *tabStrip_;
ScrollView *tabScroll_;
ChoiceStrip *tabStrip_ = nullptr;
ScrollView *tabScroll_ = nullptr;
AnchorLayout *contents_ = nullptr;
float stripSize_;
int currentTab_;
int currentTab_ = 0;
std::vector<View *> tabs_;
std::vector<AnchorTranslateTween *> tabTweens_;
};
// Yes, this feels a bit Java-ish...