From 0d30bb843d3aeeacae211e1d0ba3cbf5faa01cd7 Mon Sep 17 00:00:00 2001
From: ancarola <raffaele.ancarola@epfl.ch>
Date: Sun, 3 Feb 2019 21:52:52 +0100
Subject: Create an interface to SDL events

List of basic events interfaces in namespace wsdl2::event
  - event_t
  - e_key
  - mouse::e_mouse
  - mouse::e_motion
  - mouse::e_button
  - e_quit (pure SDL quit callback)
  - window::e_window
  - window::e_resize
  - window::e_move
---
 video.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'video.cpp')

diff --git a/video.cpp b/video.cpp
index 5a5e933..e777371 100644
--- a/video.cpp
+++ b/video.cpp
@@ -87,6 +87,10 @@ renderer::~renderer() {
 
 /* class window */
 
+// existing window mapping (SDL_ID <-> window)
+std::map<Uint8, window*> window::win_map;
+
+
 window::window(const std::string& title, std::size_t width, std::size_t height) {
     // create (hidden) window
     m_window = SDL_CreateWindow(
@@ -102,6 +106,9 @@ window::window(const std::string& title, std::size_t width, std::size_t height)
         throw std::runtime_error("failed to create SDL window");
     }
 
+    // put into window id mapping
+    win_map.insert(std::pair<Uint8, window*>(static_cast<Uint8>(SDL_GetWindowID(m_window)), this));
+
     m_renderer.create_sdl_renderer(m_window);
 
     // other attributes
@@ -134,7 +141,14 @@ bool window::is_visible() {
     return SDL_WINDOW_SHOWN & SDL_GetWindowFlags(m_window);
 }
 
+window * window::get(Uint8 id)
+{
+    auto it = win_map.find(id);
+    return (it != win_map.end()) ? it->second : 0;
+}
+
 void window::update() {
+
     m_renderer.clear();
     m_renderer.present();
 }
@@ -150,3 +164,4 @@ SDL_Window * window::sdl() {
 
     return m_window;
 }
+
-- 
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