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Copy pathRmlUi_Platform_GLFW.cpp
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RmlUi_Platform_GLFW.cpp
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/*
* This source file is part of RmlUi, the HTML/CSS Interface Middleware
*
* For the latest information, see http://github.com/mikke89/RmlUi
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
* Copyright (c) 2019 The RmlUi Team, and contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#include "RmlUi_Platform_GLFW.h"
#include <RmlUi/Core/Context.h>
#include <RmlUi/Core/Input.h>
#include <RmlUi/Core/Log.h>
#include <RmlUi/Core/SystemInterface.h>
#include <GLFW/glfw3.h>
SystemInterface_GLFW::SystemInterface_GLFW()
{
cursor_pointer = glfwCreateStandardCursor(GLFW_HAND_CURSOR);
cursor_cross = glfwCreateStandardCursor(GLFW_CROSSHAIR_CURSOR);
cursor_text = glfwCreateStandardCursor(GLFW_IBEAM_CURSOR);
}
SystemInterface_GLFW::~SystemInterface_GLFW()
{
glfwDestroyCursor(cursor_pointer);
glfwDestroyCursor(cursor_cross);
glfwDestroyCursor(cursor_text);
}
void SystemInterface_GLFW::SetWindow(GLFWwindow* in_window)
{
window = in_window;
}
double SystemInterface_GLFW::GetElapsedTime()
{
return glfwGetTime();
}
void SystemInterface_GLFW::SetMouseCursor(const Rml::String& cursor_name)
{
GLFWcursor* cursor = nullptr;
if (cursor_name.empty() || cursor_name == "arrow")
cursor = nullptr;
else if (cursor_name == "move")
cursor = cursor_pointer;
else if (cursor_name == "pointer")
cursor = cursor_pointer;
else if (cursor_name == "resize")
cursor = cursor_pointer;
else if (cursor_name == "cross")
cursor = cursor_cross;
else if (cursor_name == "text")
cursor = cursor_text;
else if (cursor_name == "unavailable")
cursor = nullptr;
if (window)
glfwSetCursor(window, cursor);
}
void SystemInterface_GLFW::SetClipboardText(const Rml::String& text_utf8)
{
if (window)
glfwSetClipboardString(window, text_utf8.c_str());
}
void SystemInterface_GLFW::GetClipboardText(Rml::String& text)
{
if (window)
text = Rml::String(glfwGetClipboardString(window));
}
bool RmlGLFW::ProcessKeyCallback(Rml::Context* context, int key, int action, int mods)
{
if (!context)
return true;
bool result = true;
switch (action)
{
case GLFW_PRESS:
case GLFW_REPEAT:
result = context->ProcessKeyDown(RmlGLFW::ConvertKey(key), RmlGLFW::ConvertKeyModifiers(mods));
if (key == GLFW_KEY_ENTER || key == GLFW_KEY_KP_ENTER)
result &= context->ProcessTextInput('\n');
break;
case GLFW_RELEASE:
result = context->ProcessKeyUp(RmlGLFW::ConvertKey(key), RmlGLFW::ConvertKeyModifiers(mods));
break;
}
return result;
}
bool RmlGLFW::ProcessCharCallback(Rml::Context* context, unsigned int codepoint)
{
if (!context)
return true;
bool result = context->ProcessTextInput((Rml::Character)codepoint);
return result;
}
bool RmlGLFW::ProcessCursorEnterCallback(Rml::Context* context, int entered)
{
if (!context)
return true;
bool result = true;
if (!entered)
result = context->ProcessMouseLeave();
return result;
}
bool RmlGLFW::ProcessCursorPosCallback(Rml::Context* context, double xpos, double ypos, int mods)
{
if (!context)
return true;
bool result = context->ProcessMouseMove(int(xpos), int(ypos), RmlGLFW::ConvertKeyModifiers(mods));
return result;
}
bool RmlGLFW::ProcessMouseButtonCallback(Rml::Context* context, int button, int action, int mods)
{
if (!context)
return true;
bool result = true;
switch (action)
{
case GLFW_PRESS:
result = context->ProcessMouseButtonDown(button, RmlGLFW::ConvertKeyModifiers(mods));
break;
case GLFW_RELEASE:
result = context->ProcessMouseButtonUp(button, RmlGLFW::ConvertKeyModifiers(mods));
break;
}
return result;
}
bool RmlGLFW::ProcessScrollCallback(Rml::Context* context, double yoffset, int mods)
{
if (!context)
return true;
bool result = context->ProcessMouseWheel(-float(yoffset), RmlGLFW::ConvertKeyModifiers(mods));
return result;
}
void RmlGLFW::ProcessFramebufferSizeCallback(Rml::Context* context, int width, int height)
{
if (context)
context->SetDimensions(Rml::Vector2i(width, height));
}
void RmlGLFW::ProcessContentScaleCallback(Rml::Context* context, float xscale)
{
if (context)
context->SetDensityIndependentPixelRatio(xscale);
}
int RmlGLFW::ConvertKeyModifiers(int glfw_mods)
{
int key_modifier_state = 0;
if (GLFW_MOD_SHIFT & glfw_mods)
key_modifier_state |= Rml::Input::KM_SHIFT;
if (GLFW_MOD_CONTROL & glfw_mods)
key_modifier_state |= Rml::Input::KM_CTRL;
if (GLFW_MOD_ALT & glfw_mods)
key_modifier_state |= Rml::Input::KM_ALT;
if (GLFW_MOD_CAPS_LOCK & glfw_mods)
key_modifier_state |= Rml::Input::KM_SCROLLLOCK;
if (GLFW_MOD_NUM_LOCK & glfw_mods)
key_modifier_state |= Rml::Input::KM_NUMLOCK;
return key_modifier_state;
}
Rml::Input::KeyIdentifier RmlGLFW::ConvertKey(int glfw_key)
{
// clang-format off
switch (glfw_key)
{
case GLFW_KEY_A: return Rml::Input::KI_A;
case GLFW_KEY_B: return Rml::Input::KI_B;
case GLFW_KEY_C: return Rml::Input::KI_C;
case GLFW_KEY_D: return Rml::Input::KI_D;
case GLFW_KEY_E: return Rml::Input::KI_E;
case GLFW_KEY_F: return Rml::Input::KI_F;
case GLFW_KEY_G: return Rml::Input::KI_G;
case GLFW_KEY_H: return Rml::Input::KI_H;
case GLFW_KEY_I: return Rml::Input::KI_I;
case GLFW_KEY_J: return Rml::Input::KI_J;
case GLFW_KEY_K: return Rml::Input::KI_K;
case GLFW_KEY_L: return Rml::Input::KI_L;
case GLFW_KEY_M: return Rml::Input::KI_M;
case GLFW_KEY_N: return Rml::Input::KI_N;
case GLFW_KEY_O: return Rml::Input::KI_O;
case GLFW_KEY_P: return Rml::Input::KI_P;
case GLFW_KEY_Q: return Rml::Input::KI_Q;
case GLFW_KEY_R: return Rml::Input::KI_R;
case GLFW_KEY_S: return Rml::Input::KI_S;
case GLFW_KEY_T: return Rml::Input::KI_T;
case GLFW_KEY_U: return Rml::Input::KI_U;
case GLFW_KEY_V: return Rml::Input::KI_V;
case GLFW_KEY_W: return Rml::Input::KI_W;
case GLFW_KEY_X: return Rml::Input::KI_X;
case GLFW_KEY_Y: return Rml::Input::KI_Y;
case GLFW_KEY_Z: return Rml::Input::KI_Z;
case GLFW_KEY_0: return Rml::Input::KI_0;
case GLFW_KEY_1: return Rml::Input::KI_1;
case GLFW_KEY_2: return Rml::Input::KI_2;
case GLFW_KEY_3: return Rml::Input::KI_3;
case GLFW_KEY_4: return Rml::Input::KI_4;
case GLFW_KEY_5: return Rml::Input::KI_5;
case GLFW_KEY_6: return Rml::Input::KI_6;
case GLFW_KEY_7: return Rml::Input::KI_7;
case GLFW_KEY_8: return Rml::Input::KI_8;
case GLFW_KEY_9: return Rml::Input::KI_9;
case GLFW_KEY_BACKSPACE: return Rml::Input::KI_BACK;
case GLFW_KEY_TAB: return Rml::Input::KI_TAB;
case GLFW_KEY_ENTER: return Rml::Input::KI_RETURN;
case GLFW_KEY_PAUSE: return Rml::Input::KI_PAUSE;
case GLFW_KEY_CAPS_LOCK: return Rml::Input::KI_CAPITAL;
case GLFW_KEY_ESCAPE: return Rml::Input::KI_ESCAPE;
case GLFW_KEY_SPACE: return Rml::Input::KI_SPACE;
case GLFW_KEY_PAGE_UP: return Rml::Input::KI_PRIOR;
case GLFW_KEY_PAGE_DOWN: return Rml::Input::KI_NEXT;
case GLFW_KEY_END: return Rml::Input::KI_END;
case GLFW_KEY_HOME: return Rml::Input::KI_HOME;
case GLFW_KEY_LEFT: return Rml::Input::KI_LEFT;
case GLFW_KEY_UP: return Rml::Input::KI_UP;
case GLFW_KEY_RIGHT: return Rml::Input::KI_RIGHT;
case GLFW_KEY_DOWN: return Rml::Input::KI_DOWN;
case GLFW_KEY_PRINT_SCREEN: return Rml::Input::KI_SNAPSHOT;
case GLFW_KEY_INSERT: return Rml::Input::KI_INSERT;
case GLFW_KEY_DELETE: return Rml::Input::KI_DELETE;
case GLFW_KEY_LEFT_SUPER: return Rml::Input::KI_LWIN;
case GLFW_KEY_RIGHT_SUPER: return Rml::Input::KI_RWIN;
case GLFW_KEY_KP_0: return Rml::Input::KI_NUMPAD0;
case GLFW_KEY_KP_1: return Rml::Input::KI_NUMPAD1;
case GLFW_KEY_KP_2: return Rml::Input::KI_NUMPAD2;
case GLFW_KEY_KP_3: return Rml::Input::KI_NUMPAD3;
case GLFW_KEY_KP_4: return Rml::Input::KI_NUMPAD4;
case GLFW_KEY_KP_5: return Rml::Input::KI_NUMPAD5;
case GLFW_KEY_KP_6: return Rml::Input::KI_NUMPAD6;
case GLFW_KEY_KP_7: return Rml::Input::KI_NUMPAD7;
case GLFW_KEY_KP_8: return Rml::Input::KI_NUMPAD8;
case GLFW_KEY_KP_9: return Rml::Input::KI_NUMPAD9;
case GLFW_KEY_KP_ENTER: return Rml::Input::KI_NUMPADENTER;
case GLFW_KEY_KP_MULTIPLY: return Rml::Input::KI_MULTIPLY;
case GLFW_KEY_KP_ADD: return Rml::Input::KI_ADD;
case GLFW_KEY_KP_SUBTRACT: return Rml::Input::KI_SUBTRACT;
case GLFW_KEY_KP_DECIMAL: return Rml::Input::KI_DECIMAL;
case GLFW_KEY_KP_DIVIDE: return Rml::Input::KI_DIVIDE;
case GLFW_KEY_F1: return Rml::Input::KI_F1;
case GLFW_KEY_F2: return Rml::Input::KI_F2;
case GLFW_KEY_F3: return Rml::Input::KI_F3;
case GLFW_KEY_F4: return Rml::Input::KI_F4;
case GLFW_KEY_F5: return Rml::Input::KI_F5;
case GLFW_KEY_F6: return Rml::Input::KI_F6;
case GLFW_KEY_F7: return Rml::Input::KI_F7;
case GLFW_KEY_F8: return Rml::Input::KI_F8;
case GLFW_KEY_F9: return Rml::Input::KI_F9;
case GLFW_KEY_F10: return Rml::Input::KI_F10;
case GLFW_KEY_F11: return Rml::Input::KI_F11;
case GLFW_KEY_F12: return Rml::Input::KI_F12;
case GLFW_KEY_F13: return Rml::Input::KI_F13;
case GLFW_KEY_F14: return Rml::Input::KI_F14;
case GLFW_KEY_F15: return Rml::Input::KI_F15;
case GLFW_KEY_F16: return Rml::Input::KI_F16;
case GLFW_KEY_F17: return Rml::Input::KI_F17;
case GLFW_KEY_F18: return Rml::Input::KI_F18;
case GLFW_KEY_F19: return Rml::Input::KI_F19;
case GLFW_KEY_F20: return Rml::Input::KI_F20;
case GLFW_KEY_F21: return Rml::Input::KI_F21;
case GLFW_KEY_F22: return Rml::Input::KI_F22;
case GLFW_KEY_F23: return Rml::Input::KI_F23;
case GLFW_KEY_F24: return Rml::Input::KI_F24;
case GLFW_KEY_NUM_LOCK: return Rml::Input::KI_NUMLOCK;
case GLFW_KEY_SCROLL_LOCK: return Rml::Input::KI_SCROLL;
case GLFW_KEY_LEFT_SHIFT: return Rml::Input::KI_LSHIFT;
case GLFW_KEY_LEFT_CONTROL: return Rml::Input::KI_LCONTROL;
case GLFW_KEY_RIGHT_SHIFT: return Rml::Input::KI_RSHIFT;
case GLFW_KEY_RIGHT_CONTROL: return Rml::Input::KI_RCONTROL;
case GLFW_KEY_MENU: return Rml::Input::KI_LMENU;
case GLFW_KEY_KP_EQUAL: return Rml::Input::KI_OEM_NEC_EQUAL;
default: break;
}
// clang-format on
return Rml::Input::KI_UNKNOWN;
}