6848b716f7
This is the same fix from: https://skia-review.googlesource.com/c/skia/+/107941 Change-Id: I1367b1fc466cecbc2733b4e337376ce9f48cb6d8 Reviewed-on: https://skia-review.googlesource.com/107980 Reviewed-by: Jim Van Verth <jvanverth@google.com> Commit-Queue: Brian Osman <brianosman@google.com>
291 lines
8.4 KiB
C++
291 lines
8.4 KiB
C++
/*
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* Copyright 2017 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkUtils.h"
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#include "Timer.h"
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#include "WindowContextFactory_ios.h"
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#include "Window_ios.h"
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namespace sk_app {
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SkTDynamicHash<Window_ios, Uint32> Window_ios::gWindowMap;
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Window* Window::CreateNativeWindow(void*) {
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Window_ios* window = new Window_ios();
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if (!window->initWindow()) {
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delete window;
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return nullptr;
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}
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return window;
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}
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bool Window_ios::initWindow() {
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if (fRequestedDisplayParams.fMSAASampleCount != fMSAASampleCount) {
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this->closeWindow();
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}
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// we already have a window
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if (fWindow) {
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return true;
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}
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constexpr int initialWidth = 1280;
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constexpr int initialHeight = 960;
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
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SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
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SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0);
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SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, 8);
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SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL, 1);
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if (fRequestedDisplayParams.fMSAASampleCount > 1) {
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, fRequestedDisplayParams.fMSAASampleCount);
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} else {
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0);
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}
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// TODO: handle other display params
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uint32_t windowFlags = SDL_WINDOW_OPENGL | SDL_WINDOW_FULLSCREEN | SDL_WINDOW_ALLOW_HIGHDPI;
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fWindow = SDL_CreateWindow("SDL Window", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
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initialWidth, initialHeight, windowFlags);
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if (!fWindow) {
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return false;
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}
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fMSAASampleCount = fRequestedDisplayParams.fMSAASampleCount;
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// add to hashtable of windows
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fWindowID = SDL_GetWindowID(fWindow);
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gWindowMap.add(this);
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fGLContext = SDL_GL_CreateContext(fWindow);
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if (!fGLContext) {
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SkDebugf("%s\n", SDL_GetError());
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this->closeWindow();
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return false;
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}
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return true;
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}
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void Window_ios::closeWindow() {
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if (fGLContext) {
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SDL_GL_DeleteContext(fGLContext);
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fGLContext = nullptr;
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}
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if (fWindow) {
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gWindowMap.remove(fWindowID);
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SDL_DestroyWindow(fWindow);
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fWindowID = 0;
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fWindow = nullptr;
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}
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}
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static Window::Key get_key(const SDL_Keysym& keysym) {
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static const struct {
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SDL_Keycode fSDLK;
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Window::Key fKey;
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} gPair[] = {
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{ SDLK_BACKSPACE, Window::Key::kBack },
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{ SDLK_CLEAR, Window::Key::kBack },
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{ SDLK_RETURN, Window::Key::kOK },
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{ SDLK_UP, Window::Key::kUp },
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{ SDLK_DOWN, Window::Key::kDown },
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{ SDLK_LEFT, Window::Key::kLeft },
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{ SDLK_RIGHT, Window::Key::kRight },
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{ SDLK_TAB, Window::Key::kTab },
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{ SDLK_PAGEUP, Window::Key::kPageUp },
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{ SDLK_PAGEDOWN, Window::Key::kPageDown },
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{ SDLK_HOME, Window::Key::kHome },
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{ SDLK_END, Window::Key::kEnd },
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{ SDLK_DELETE, Window::Key::kDelete },
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{ SDLK_ESCAPE, Window::Key::kEscape },
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{ SDLK_LSHIFT, Window::Key::kShift },
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{ SDLK_RSHIFT, Window::Key::kShift },
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{ SDLK_LCTRL, Window::Key::kCtrl },
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{ SDLK_RCTRL, Window::Key::kCtrl },
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{ SDLK_LALT, Window::Key::kOption },
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{ SDLK_LALT, Window::Key::kOption },
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{ 'A', Window::Key::kA },
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{ 'C', Window::Key::kC },
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{ 'V', Window::Key::kV },
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{ 'X', Window::Key::kX },
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{ 'Y', Window::Key::kY },
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{ 'Z', Window::Key::kZ },
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};
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for (size_t i = 0; i < SK_ARRAY_COUNT(gPair); i++) {
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if (gPair[i].fSDLK == keysym.sym) {
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return gPair[i].fKey;
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}
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}
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return Window::Key::kNONE;
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}
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static uint32_t get_modifiers(const SDL_Event& event) {
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static const struct {
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unsigned fSDLMask;
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unsigned fSkMask;
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} gModifiers[] = {
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{ KMOD_SHIFT, Window::kShift_ModifierKey },
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{ KMOD_CTRL, Window::kControl_ModifierKey },
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{ KMOD_ALT, Window::kOption_ModifierKey },
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};
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auto modifiers = 0;
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switch (event.type) {
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case SDL_KEYDOWN:
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// fall through
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case SDL_KEYUP: {
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for (size_t i = 0; i < SK_ARRAY_COUNT(gModifiers); ++i) {
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if (event.key.keysym.mod & gModifiers[i].fSDLMask) {
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modifiers |= gModifiers[i].fSkMask;
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}
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}
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if (0 == event.key.repeat) {
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modifiers |= Window::kFirstPress_ModifierKey;
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}
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break;
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}
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default: {
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SDL_Keymod mod = SDL_GetModState();
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for (size_t i = 0; i < SK_ARRAY_COUNT(gModifiers); ++i) {
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if (mod & gModifiers[i].fSDLMask) {
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modifiers |= gModifiers[i].fSkMask;
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}
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}
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break;
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}
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}
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return modifiers;
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}
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bool Window_ios::HandleWindowEvent(const SDL_Event& event) {
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Window_ios* win = gWindowMap.find(event.window.windowID);
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if (win && win->handleEvent(event)) {
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return true;
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}
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return false;
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}
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bool Window_ios::handleEvent(const SDL_Event& event) {
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switch (event.type) {
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case SDL_WINDOWEVENT:
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if (SDL_WINDOWEVENT_EXPOSED == event.window.event) {
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this->onPaint();
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} else if (SDL_WINDOWEVENT_RESIZED == event.window.event) {
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this->onResize(event.window.data1, event.window.data2);
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}
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break;
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case SDL_MOUSEBUTTONDOWN:
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if (event.button.button == SDL_BUTTON_LEFT) {
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this->onMouse(event.button.x, event.button.y,
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Window::kDown_InputState, get_modifiers(event));
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}
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break;
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case SDL_MOUSEBUTTONUP:
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if (event.button.button == SDL_BUTTON_LEFT) {
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this->onMouse(event.button.x, event.button.y,
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Window::kUp_InputState, get_modifiers(event));
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}
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break;
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case SDL_MOUSEMOTION:
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this->onMouse(event.motion.x, event.motion.y,
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Window::kMove_InputState, get_modifiers(event));
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break;
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case SDL_MOUSEWHEEL:
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this->onMouseWheel(event.wheel.y, get_modifiers(event));
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break;
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case SDL_KEYDOWN: {
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Window::Key key = get_key(event.key.keysym);
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if (key != Window::Key::kNONE) {
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if (!this->onKey(key, Window::kDown_InputState, get_modifiers(event))) {
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if (event.key.keysym.sym == SDLK_ESCAPE) {
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return true;
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}
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}
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}
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} break;
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case SDL_KEYUP: {
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Window::Key key = get_key(event.key.keysym);
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if (key != Window::Key::kNONE) {
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(void) this->onKey(key, Window::kUp_InputState,
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get_modifiers(event));
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}
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} break;
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case SDL_TEXTINPUT: {
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const char* textIter = &event.text.text[0];
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while (SkUnichar c = SkUTF8_NextUnichar(&textIter)) {
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(void) this->onChar(c, get_modifiers(event));
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}
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} break;
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default:
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break;
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}
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return false;
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}
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void Window_ios::setTitle(const char* title) {
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SDL_SetWindowTitle(fWindow, title);
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}
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void Window_ios::show() {
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SDL_ShowWindow(fWindow);
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}
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bool Window_ios::attach(BackendType attachType) {
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this->initWindow();
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window_context_factory::IOSWindowInfo info;
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info.fWindow = fWindow;
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info.fGLContext = fGLContext;
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switch (attachType) {
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case kRaster_BackendType:
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fWindowContext = NewRasterForIOS(info, fRequestedDisplayParams);
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break;
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case kNativeGL_BackendType:
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default:
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fWindowContext = NewGLForIOS(info, fRequestedDisplayParams);
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break;
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}
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this->onBackendCreated();
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return (SkToBool(fWindowContext));
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}
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void Window_ios::onInval() {
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SDL_Event sdlevent;
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sdlevent.type = SDL_WINDOWEVENT;
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sdlevent.window.windowID = fWindowID;
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sdlevent.window.event = SDL_WINDOWEVENT_EXPOSED;
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SDL_PushEvent(&sdlevent);
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}
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} // namespace sk_app
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