model-railway/system-control
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handle mouse events

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Signed-off-by: Peter Siegmund <developer@mars3142.org>
This commit is contained in:
Peter Siegmund
2025-06-09 00:17:54 +02:00
parent 60fccfeccc
commit 266114d046
53 changed files with 1144 additions and 1008 deletions
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57
src/ui/widgets/Button.cpp
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@@ -1,34 +1,49 @@
#include "ui/widgets/Button.h"
#include "ResourceManager.h"
#include <functional>
#include <utility>
#include <SDL3_image/SDL_image.h>
#include "ResourceManager.h"
auto pressed = false;
Button::Button(
void* appState,
const float x,
const float y,
const float width,
std::function<void()> callback)
: UIWidget(appState)
, m_x(x)
, m_y(y)
, m_width(width)
, m_callback(std::move(callback)) {
Button::Button(void *appState, const float x, const float y, const float width, std::function<void()> callback)
: UIWidget(appState), m_x(x), m_y(y), m_width(width), m_callback(std::move(callback))
{
}
void Button::render() const {
const auto button = ResourceManager::getInstance().get_texture(
get_context()->renderer(), "assets/button_normal.png");
const auto overlay = ResourceManager::getInstance().get_texture(
get_context()->renderer(), "assets/button_pressed_overlay.png");
void Button::Render() const
{
const auto button =
ResourceManager::Instance().GetTextureByName(GetContext()->MainRenderer(), "button_normal.png");
const auto overlay =
ResourceManager::Instance().GetTextureByName(GetContext()->MainRenderer(), "button_pressed_overlay.png");
const auto dst = SDL_FRect(m_x, m_y, m_width, m_width);
SDL_RenderTexture(get_context()->renderer(), button, nullptr, &dst);
if(pressed) {
SDL_RenderTexture(get_context()->renderer(), overlay, nullptr, &dst);
SDL_RenderTexture(GetContext()->MainRenderer(), button, nullptr, &dst);
if (m_isPressed)
{
SDL_RenderTexture(GetContext()->MainRenderer(), overlay, nullptr, &dst);
}
}
bool Button::IsHit(const int mouse_x, const int mouse_y) const
{
const auto fx = static_cast<float>(mouse_x);
const auto fy = static_cast<float>(mouse_y);
return (fx >= m_x && fx <= (m_x + m_width) &&
fy >= m_y && fy <= (m_y + m_width)) || m_isPressed;
}
void Button::OnTap(int mouse_x, int mouse_y)
{
if (m_callback)
{
m_isPressed = true;
m_callback();
}
}
void Button::ReleaseTap(int mouse_x, int mouse_y)
{
m_isPressed = false;
}