winamp/src/frontend-common/imgui_manager.h
2022-07-22 21:19:54 +10:00

92 lines
3.1 KiB
C++

/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2021 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "common/types.h"
#include <string>
struct ImFont;
union InputBindingKey;
enum class GenericInputBinding : u8;
namespace ImGuiManager {
/// Sets the path to the font to use. Empty string means to use the default.
void SetFontPath(std::string path);
/// Sets the glyph range to use when loading fonts.
void SetFontRange(const u16* range);
/// Initializes ImGui, creates fonts, etc.
bool Initialize();
/// Frees all ImGui resources.
void Shutdown();
/// Updates internal state when the window is size.
void WindowResized();
/// Updates scaling of the on-screen elements.
void UpdateScale();
/// Call at the beginning of the frame to set up ImGui state.
void NewFrame();
/// Renders any on-screen display elements.
void RenderOSD();
/// Returns the scale of all on-screen elements.
float GetGlobalScale();
/// Returns true if fullscreen fonts are present.
bool HasFullscreenFonts();
/// Allocates/adds fullscreen fonts if they're not loaded.
bool AddFullscreenFontsIfMissing();
/// Returns the standard font for external drawing.
ImFont* GetStandardFont();
/// Returns the fixed-width font for external drawing.
ImFont* GetFixedFont();
/// Returns the medium font for external drawing, scaled by ImGuiFullscreen.
/// This font is allocated on demand.
ImFont* GetMediumFont();
/// Returns the large font for external drawing, scaled by ImGuiFullscreen.
/// This font is allocated on demand.
ImFont* GetLargeFont();
/// Called on the UI or CPU thread in response to mouse movement.
void UpdateMousePosition(float x, float y);
/// Called on the CPU thread in response to a mouse button press.
/// Returns true if ImGui intercepted the event, and regular handlers should not execute.
bool ProcessPointerButtonEvent(InputBindingKey key, float value);
/// Called on the CPU thread in response to a mouse wheel movement.
/// Returns true if ImGui intercepted the event, and regular handlers should not execute.
bool ProcessPointerAxisEvent(InputBindingKey key, float value);
/// Called on the CPU thread in response to a key press.
/// Returns true if ImGui intercepted the event, and regular handlers should not execute.
bool ProcessHostKeyEvent(InputBindingKey key, float value);
/// Called on the CPU thread when any input event fires. Allows imgui to take over controller navigation.
bool ProcessGenericInputEvent(GenericInputBinding key, float value);
} // namespace ImGuiManager