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Scroll amélioré dans l'éditeur

This commit is contained in:
Mattéo Delabre 2016-04-10 01:02:52 +02:00
parent 3b2aac5ffc
commit 1b14d4084d
1 changed files with 48 additions and 14 deletions
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62
src/editor.cpp
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@ -5,10 +5,15 @@
#include <cmath>
#include <algorithm>
const sf::Color SELECTION_COLOR = sf::Color(33, 33, 33, 40);
const sf::Color SELECTION_BORDER_COLOR = sf::Color(33, 33, 33, 127);
const int SCROLL_SPEED = 5;
const int SCROLL_PADDING = 5;
const sf::Color SELECT_RECT_COLOR = sf::Color(33, 33, 33, 40);
const sf::Color SELECT_RECT_BORDER_COLOR = sf::Color(33, 33, 33, 127);
const float WHEEL_SCROLL_SPEED = -4.f;
const float POINTER_SCROLL_SPEED = 4.f;
const float POINTER_SCROLL_MAX_SPEED = 10.f;
const float POINTER_SCROLL_STEP = 64.f;
const float ASSUME_TITLEBAR = 32.f;
const int POINTER_SCROLL_PADDING = 5;
Editor::Editor(Manager& manager) : Level(manager), drag_mode(DragMode::NONE),
widget_timer(manager, true, std::bind(&Editor::setTotalTime, this, std::placeholders::_1)),
@ -135,6 +140,19 @@ void Editor::processEvent(const sf::Event& event) {
drag_mode = DragMode::NONE;
}
// lorsqu'on scrolle on déplace la vue
if (event.type == sf::Event::MouseWheelScrolled) {
sf::View camera = getCamera();
if (event.mouseWheelScroll.wheel == sf::Mouse::HorizontalWheel) {
camera.move(sf::Vector2f(event.mouseWheelScroll.delta, 0) * WHEEL_SCROLL_SPEED);
} else if (event.mouseWheelScroll.wheel == sf::Mouse::VerticalWheel) {
camera.move(sf::Vector2f(0, event.mouseWheelScroll.delta) * WHEEL_SCROLL_SPEED);
}
setCamera(camera);
}
// gestion des touches
if (event.type == sf::Event::KeyPressed) {
// appui sur suppr : suppression des blocs sélectionnés
@ -179,16 +197,32 @@ void Editor::draw() {
sf::View camera = getCamera();
sf::Vector2i mouse = sf::Mouse::getPosition(window);
if (mouse.x < SCROLL_PADDING) {
camera.move(sf::Vector2f(-SCROLL_SPEED, 0));
} else if (mouse.x > window_size.x - SCROLL_PADDING) {
camera.move(sf::Vector2f(SCROLL_SPEED, 0));
} else if (mouse.y < SCROLL_PADDING) {
camera.move(sf::Vector2f(0, -SCROLL_SPEED));
} else if (mouse.y > window_size.y - SCROLL_PADDING) {
camera.move(sf::Vector2f(0, SCROLL_SPEED));
sf::Vector2f change;
float absolute_diff;
// détection du dépassement sur un des 4 bords
if (mouse.x < POINTER_SCROLL_PADDING) {
absolute_diff = POINTER_SCROLL_PADDING - mouse.x;
change = sf::Vector2f(-POINTER_SCROLL_SPEED, 0);
} else if (mouse.x > window_size.x - POINTER_SCROLL_PADDING) {
absolute_diff = mouse.x - window_size.x + POINTER_SCROLL_PADDING;
change = sf::Vector2f(POINTER_SCROLL_SPEED, 0);
} else if (mouse.y < POINTER_SCROLL_PADDING) {
// on évite de scroller sur la barre de titre (c'est chiant)
if (mouse.y >= 0 || mouse.y < -ASSUME_TITLEBAR) {
absolute_diff = POINTER_SCROLL_PADDING - mouse.y;
change = sf::Vector2f(0, -POINTER_SCROLL_SPEED);
}
} else if (mouse.y > window_size.y - POINTER_SCROLL_PADDING) {
absolute_diff = mouse.y - window_size.y + POINTER_SCROLL_PADDING;
change = sf::Vector2f(0, POINTER_SCROLL_SPEED);
}
camera.move(change * std::min(
1 + absolute_diff / POINTER_SCROLL_STEP,
POINTER_SCROLL_MAX_SPEED
));
setCamera(camera);
}
@ -202,9 +236,9 @@ void Editor::draw() {
sf::RectangleShape selection_rect(size);
selection_rect.setPosition(pos);
selection_rect.setFillColor(SELECTION_COLOR);
selection_rect.setFillColor(SELECT_RECT_COLOR);
selection_rect.setOutlineThickness(2.f);
selection_rect.setOutlineColor(SELECTION_BORDER_COLOR);
selection_rect.setOutlineColor(SELECT_RECT_BORDER_COLOR);
window.draw(selection_rect);
}