1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
* Copyright 2019-2021 Diligent Graphics LLC
* Copyright 2015-2019 Egor Yusov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
#ifndef NOMINMAX
# define NOMINMAX
#endif
#include <Windows.h>
#include "GraphicsTypes.h"
#include "imgui.h"
#include "ImGuiImplWin32.hpp"
#include "backends/imgui_impl_win32.h"
#include "DebugUtilities.hpp"
IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
namespace Diligent
{
ImGuiImplWin32::ImGuiImplWin32(HWND hWnd,
IRenderDevice* pDevice,
TEXTURE_FORMAT BackBufferFmt,
TEXTURE_FORMAT DepthBufferFmt,
Uint32 InitialVertexBufferSize,
Uint32 InitialIndexBufferSize) :
ImGuiImplDiligent{pDevice, BackBufferFmt, DepthBufferFmt, InitialVertexBufferSize, InitialIndexBufferSize}
{
ImGui_ImplWin32_Init(hWnd);
}
ImGuiImplWin32::~ImGuiImplWin32()
{
ImGui_ImplWin32_Shutdown();
}
void ImGuiImplWin32::NewFrame(Uint32 RenderSurfaceWidth, Uint32 RenderSurfaceHeight, SURFACE_TRANSFORM SurfacePreTransform)
{
VERIFY(SurfacePreTransform == SURFACE_TRANSFORM_IDENTITY, "Unexpected surface pre-transform");
ImGui_ImplWin32_NewFrame();
ImGuiImplDiligent::NewFrame(RenderSurfaceWidth, RenderSurfaceHeight, SurfacePreTransform);
#ifdef DILIGENT_DEBUG
{
ImGuiIO& io = ImGui::GetIO();
VERIFY(io.DisplaySize.x == 0 || io.DisplaySize.x == static_cast<float>(RenderSurfaceWidth),
"Render surface width (", RenderSurfaceWidth, ") does not match io.DisplaySize.x (", io.DisplaySize.x, ")");
VERIFY(io.DisplaySize.y == 0 || io.DisplaySize.y == static_cast<float>(RenderSurfaceHeight),
"Render surface height (", RenderSurfaceHeight, ") does not match io.DisplaySize.y (", io.DisplaySize.y, ")");
}
#endif
}
// Allow compilation with old Windows SDK. MinGW doesn't have default _WIN32_WINNT/WINVER versions.
#ifndef WM_MOUSEWHEEL
# define WM_MOUSEWHEEL 0x020A
#endif
#ifndef WM_MOUSEHWHEEL
# define WM_MOUSEHWHEEL 0x020E
#endif
LRESULT ImGuiImplWin32::Win32_ProcHandler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
if (ImGui::GetCurrentContext() == NULL)
return 0;
auto res = ImGui_ImplWin32_WndProcHandler(hwnd, msg, wParam, lParam);
ImGuiIO& io = ImGui::GetIO();
switch (msg)
{
case WM_LBUTTONDOWN:
case WM_LBUTTONDBLCLK:
case WM_RBUTTONDOWN:
case WM_RBUTTONDBLCLK:
case WM_MBUTTONDOWN:
case WM_MBUTTONDBLCLK:
case WM_XBUTTONDOWN:
case WM_XBUTTONDBLCLK:
case WM_LBUTTONUP:
case WM_RBUTTONUP:
case WM_MBUTTONUP:
case WM_XBUTTONUP:
case WM_MOUSEWHEEL:
case WM_MOUSEHWHEEL:
return io.WantCaptureMouse ? 1 : 0;
case WM_KEYDOWN:
case WM_SYSKEYDOWN:
case WM_KEYUP:
case WM_SYSKEYUP:
case WM_CHAR:
return io.WantCaptureKeyboard ? 1 : 0;
case WM_SETCURSOR:
return res;
}
return res;
}
} // namespace Diligent
|
