imgui_impl_win32.cpp File Reference

#include "imgui.h"
#include "imgui_impl_win32.h"
#include <windows.h>
#include <tchar.h>
#include <XInput.h>

Include dependency graph for imgui_impl_win32.cpp:

Go to the source code of this file.

Macros
#define	DBT_DEVNODES_CHANGED   0x0007
#define	DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE   (DPI_AWARENESS_CONTEXT)-3
#define	DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2   (DPI_AWARENESS_CONTEXT)-4
#define	IsWindows8Point1OrGreater()   IsWindowsVersionOrGreater(HIBYTE(0x0602), LOBYTE(0x0602), 0)
#define	MAP_ANALOG(NAV_NO, VALUE, V0, V1)   { float vn = (float)(VALUE - V0) / (float)(V1 - V0); if (vn > 1.0f) vn = 1.0f; if (vn > 0.0f && io.NavInputs[NAV_NO] < vn) io.NavInputs[NAV_NO] = vn; }
#define	MAP_BUTTON(NAV_NO, BUTTON_ENUM)   { io.NavInputs[NAV_NO] = (gamepad.wButtons & BUTTON_ENUM) ? 1.0f : 0.0f; }
#define	WIN32_LEAN_AND_MEAN
#define	WM_MOUSEHWHEEL   0x020E

Typedefs
typedef HRESULT(WINAPI *	PFN_GetDpiForMonitor) (HMONITOR, MONITOR_DPI_TYPE, UINT *, UINT *)
typedef HRESULT(WINAPI *	PFN_SetProcessDpiAwareness) (PROCESS_DPI_AWARENESS)
typedef DPI_AWARENESS_CONTEXT(WINAPI *	PFN_SetThreadDpiAwarenessContext) (DPI_AWARENESS_CONTEXT)

Enumerations
enum	MONITOR_DPI_TYPE { MDT_EFFECTIVE_DPI = 0, MDT_ANGULAR_DPI = 1, MDT_RAW_DPI = 2, MDT_DEFAULT = MDT_EFFECTIVE_DPI }
enum	PROCESS_DPI_AWARENESS { PROCESS_DPI_UNAWARE = 0, PROCESS_SYSTEM_DPI_AWARE = 1, PROCESS_PER_MONITOR_DPI_AWARE = 2 }

Functions
	DECLARE_HANDLE (DPI_AWARENESS_CONTEXT)
void	ImGui_ImplWin32_EnableDpiAwareness ()
float	ImGui_ImplWin32_GetDpiScaleForHwnd (void *hwnd)
float	ImGui_ImplWin32_GetDpiScaleForMonitor (void *monitor)
bool	ImGui_ImplWin32_Init (void *hwnd)
void	ImGui_ImplWin32_NewFrame ()
void	ImGui_ImplWin32_Shutdown ()
static void	ImGui_ImplWin32_UpdateGamepads ()
static bool	ImGui_ImplWin32_UpdateMouseCursor ()
static void	ImGui_ImplWin32_UpdateMousePos ()
IMGUI_IMPL_API LRESULT	ImGui_ImplWin32_WndProcHandler (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
static BOOL	IsWindowsVersionOrGreater (WORD major, WORD minor, WORD sp)

Variables
static bool	g_HasGamepad = false
static HWND	g_hWnd = NULL
static ImGuiMouseCursor	g_LastMouseCursor = ImGuiMouseCursor_COUNT
static INT64	g_TicksPerSecond = 0
static INT64	g_Time = 0
static bool	g_WantUpdateHasGamepad = true

Macro Definition Documentation

DBT_DEVNODES_CHANGED

#define DBT_DEVNODES_CHANGED   0x0007

Definition at line 257 of file imgui_impl_win32.cpp.

DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE

#define DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE   (DPI_AWARENESS_CONTEXT)-3

Definition at line 378 of file imgui_impl_win32.cpp.

DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2

#define DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2   (DPI_AWARENESS_CONTEXT)-4

Definition at line 381 of file imgui_impl_win32.cpp.

IsWindows8Point1OrGreater

#define IsWindows8Point1OrGreater

(

)

IsWindowsVersionOrGreater(HIBYTE(0x0602), LOBYTE(0x0602), 0)

Definition at line 369 of file imgui_impl_win32.cpp.

MAP_ANALOG

#define MAP_ANALOG	(		NAV_NO,
			VALUE,
			V0,
			V1
	)		{ float vn = (float)(VALUE - V0) / (float)(V1 - V0); if (vn > 1.0f) vn = 1.0f; if (vn > 0.0f && io.NavInputs[NAV_NO] < vn) io.NavInputs[NAV_NO] = vn; }

MAP_BUTTON

#define MAP_BUTTON	(		NAV_NO,
			BUTTON_ENUM
	)		{ io.NavInputs[NAV_NO] = (gamepad.wButtons & BUTTON_ENUM) ? 1.0f : 0.0f; }

WIN32_LEAN_AND_MEAN

#define WIN32_LEAN_AND_MEAN

Definition at line 13 of file imgui_impl_win32.cpp.

WM_MOUSEHWHEEL

#define WM_MOUSEHWHEEL   0x020E

Definition at line 254 of file imgui_impl_win32.cpp.

Typedef Documentation

PFN_GetDpiForMonitor

typedef HRESULT(WINAPI* PFN_GetDpiForMonitor) (HMONITOR, MONITOR_DPI_TYPE, UINT *, UINT *)

Definition at line 384 of file imgui_impl_win32.cpp.

PFN_SetProcessDpiAwareness

typedef HRESULT(WINAPI* PFN_SetProcessDpiAwareness) (PROCESS_DPI_AWARENESS)

Definition at line 383 of file imgui_impl_win32.cpp.

PFN_SetThreadDpiAwarenessContext

typedef DPI_AWARENESS_CONTEXT(WINAPI* PFN_SetThreadDpiAwarenessContext) (DPI_AWARENESS_CONTEXT)

Definition at line 385 of file imgui_impl_win32.cpp.

Enumeration Type Documentation

MONITOR_DPI_TYPE

enum MONITOR_DPI_TYPE

Enumerator
MDT_EFFECTIVE_DPI
MDT_ANGULAR_DPI
MDT_RAW_DPI
MDT_DEFAULT

Definition at line 374 of file imgui_impl_win32.cpp.

PROCESS_DPI_AWARENESS

enum PROCESS_DPI_AWARENESS

Enumerator
PROCESS_DPI_UNAWARE
PROCESS_SYSTEM_DPI_AWARE
PROCESS_PER_MONITOR_DPI_AWARE

Definition at line 373 of file imgui_impl_win32.cpp.

Function Documentation

DECLARE_HANDLE()

DECLARE_HANDLE

(

DPI_AWARENESS_CONTEXT

)

ImGui_ImplWin32_EnableDpiAwareness()

void ImGui_ImplWin32_EnableDpiAwareness

(

)

Definition at line 388 of file imgui_impl_win32.cpp.

ImGui_ImplWin32_GetDpiScaleForHwnd()

float ImGui_ImplWin32_GetDpiScaleForHwnd

(

void *

hwnd

)

Definition at line 435 of file imgui_impl_win32.cpp.

ImGui_ImplWin32_GetDpiScaleForMonitor()

float ImGui_ImplWin32_GetDpiScaleForMonitor

(

void *

monitor

)

Definition at line 415 of file imgui_impl_win32.cpp.

ImGui_ImplWin32_Init()

bool ImGui_ImplWin32_Init

(

void *

hwnd

)

Definition at line 64 of file imgui_impl_win32.cpp.

ImGui_ImplWin32_NewFrame()

void ImGui_ImplWin32_NewFrame

(

)

Definition at line 214 of file imgui_impl_win32.cpp.

ImGui_ImplWin32_Shutdown()

void ImGui_ImplWin32_Shutdown

(

)

Definition at line 106 of file imgui_impl_win32.cpp.

ImGui_ImplWin32_UpdateGamepads()

static void ImGui_ImplWin32_UpdateGamepads ( )

static

Definition at line 166 of file imgui_impl_win32.cpp.

ImGui_ImplWin32_UpdateMouseCursor()

static bool ImGui_ImplWin32_UpdateMouseCursor ( )

static

Definition at line 111 of file imgui_impl_win32.cpp.

ImGui_ImplWin32_UpdateMousePos()

static void ImGui_ImplWin32_UpdateMousePos ( )

static

Definition at line 144 of file imgui_impl_win32.cpp.

ImGui_ImplWin32_WndProcHandler()

IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler	(	HWND	hwnd,
		UINT	msg,
		WPARAM	wParam,
		LPARAM	lParam
	)

Definition at line 272 of file imgui_impl_win32.cpp.

IsWindowsVersionOrGreater()

static BOOL IsWindowsVersionOrGreater ( WORD  major, WORD  minor, WORD  sp  )

static

Definition at line 360 of file imgui_impl_win32.cpp.

Variable Documentation

g_HasGamepad

bool g_HasGamepad = false

static

Definition at line 60 of file imgui_impl_win32.cpp.

g_hWnd

HWND g_hWnd = NULL

static

Definition at line 56 of file imgui_impl_win32.cpp.

g_LastMouseCursor

ImGuiMouseCursor g_LastMouseCursor = ImGuiMouseCursor_COUNT

static

Definition at line 59 of file imgui_impl_win32.cpp.

g_TicksPerSecond

INT64 g_TicksPerSecond = 0

static

Definition at line 58 of file imgui_impl_win32.cpp.

g_Time

INT64 g_Time = 0

static

Definition at line 57 of file imgui_impl_win32.cpp.

g_WantUpdateHasGamepad

bool g_WantUpdateHasGamepad = true

static

Definition at line 61 of file imgui_impl_win32.cpp.