zetaPRIME e22c8995a6 TextBox widget, justification and inheritance in TextConfig,
fix closing osk from InputHandler, make font text input const,
font-related miscellany
2017-03-16 13:25:16 -04:00

104 lines
2.7 KiB
C++

#include "TextBox.h"
#include <cmath>
#include "starlight/_incLib/json.hpp"
#include "starlight/InputManager.h"
#include "starlight/GFXManager.h"
#include "starlight/ThemeManager.h"
#include "starlight/dialog/OSK.h"
using starlight::Vector2;
using starlight::Color;
using starlight::gfx::Font;
using starlight::InputManager;
using starlight::GFXManager;
using starlight::ThemeManager;
using starlight::TextConfig;
using starlight::dialog::OSK;
using starlight::dialog::osk::InputHandlerBuffered;
using starlight::ui::TextBox;
void TextBox::SetText(const std::string& text) {
this->text = text;
textView.reset();
MarkForRedraw();
}
void TextBox::PreDraw() {
if (!textView) {
static Vector2 margin = ThemeManager::GetMetric("/controls/textBox/margin", Vector2::zero);
textView = std::make_unique<gfx::DrawContextCanvas>(rect.size - margin*2);
textView->Clear();
GFXManager::PushContext(textView.get());
static TextConfig tc = ThemeManager::GetMetric("/controls/textBox/text", TextConfig());
if (multiLine) {
// for now I guess just flat top-left
tc.Print(textView->rect, text, Vector2::zero);
} else {
Vector2 sz = tc.Measure(text);
Vector2 justification = Vector2(tc.justification.x, 0.5f);
tc.Print(textView->rect.RightEdge(std::max(textView->rect.size.x, sz.x)), text, justification);
}
GFXManager::PopContext();
}
}
void TextBox::PreDrawOffscreen() { textView.reset(); } // discard on offscreen
void TextBox::Draw() {
static auto bg = ThemeManager::GetAsset("controls/textBox");
static Vector2 margin = ThemeManager::GetMetric("/controls/textBox/margin", Vector2::zero);
auto rect = (this->rect + GFXManager::GetOffset()).IntSnap();
bg->Draw(rect);
//tc.Print(rect.Expand(-margin), text);
if (textView) textView->Draw(rect.Expand(-margin));
}
void TextBox::OnResize() {
textView.reset();
MarkForRedraw();
}
void TextBox::OnTouchOn() {
if (InputManager::Pressed(Keys::Touch)) {
InputManager::GetDragHandle().Grab(this);
MarkForRedraw();
}
}
void TextBox::OnTouchOff() {
auto& drag = InputManager::GetDragHandle();
if (drag == this) drag.Release();
}
void TextBox::OnDragStart() {
// do we need to do anything here?
}
void TextBox::OnDragHold() {
if (InputManager::TouchDragDist().Length() > InputManager::dragThreshold) {
InputManager::GetDragHandle().PassUp();
}
}
void TextBox::OnDragRelease() {
if (InputManager::Released(Keys::Touch)) {
// pop up osk
OSK::New(new InputHandlerBuffered(text, multiLine, [this](auto& str){ this->SetText(str); }))->Open();
}
MarkForRedraw();
}