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doc: d3d11_player: implement mouse support

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Pierre Lamot 2023-05-24 15:12:00 +02:00 committed by Jean-Baptiste Kempf
parent 60078ca975
commit 2ed2509750
1 changed files with 62 additions and 0 deletions
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62
doc/libvlc/d3d11_player.cpp
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@ -11,6 +11,7 @@
*/
#include <windows.h>
#include <windowsx.h>
#include <d3d11.h>
#include <d3dcompiler.h>
#include <cassert>
@ -81,6 +82,9 @@ struct render_context
unsigned width, height;
} client_area;
libvlc_video_output_resize_cb ReportSize;
libvlc_video_output_mouse_move_cb MouseMove;
libvlc_video_output_mouse_press_cb MousePress;
libvlc_video_output_mouse_release_cb MouseRelease;
void *ReportOpaque;
};
@ -508,6 +512,9 @@ static void SetReport_cb( void *opaque,
struct render_context *ctx = static_cast<struct render_context *>( opaque );
AcquireSRWLockExclusive(&ctx->sizeLock);
ctx->ReportSize = report_size_change;
ctx->MouseMove = report_mouse_move;
ctx->MousePress = report_mouse_press;
ctx->MouseRelease = report_mouse_release;
ctx->ReportOpaque = report_opaque;
if (ctx->ReportSize != nullptr)
@ -518,6 +525,25 @@ static void SetReport_cb( void *opaque,
ReleaseSRWLockExclusive(&ctx->sizeLock);
}
static libvlc_video_output_mouse_button_t windowsButtonToVLC(UINT message)
{
switch (message)
{
case WM_LBUTTONUP:
case WM_LBUTTONDOWN:
return libvlc_video_output_mouse_button_left;
case WM_MBUTTONUP:
case WM_MBUTTONDOWN:
return libvlc_video_output_mouse_button_middle;
case WM_RBUTTONUP:
case WM_RBUTTONDOWN:
return libvlc_video_output_mouse_button_right;
default:
//should not happen
return libvlc_video_output_mouse_button_right;
}
}
static const char *AspectRatio = NULL;
static LRESULT CALLBACK WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
@ -575,6 +601,42 @@ static LRESULT CALLBACK WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARA
}
break;
case WM_MOUSEMOVE:
{
int mouseX = int(GET_X_LPARAM(lParam) - ctx->client_area.width * (BORDER_LEFT + 1)/2.0f);
int mouseY = int(GET_Y_LPARAM(lParam) - ctx->client_area.width * (1 - BORDER_TOP) / 2.0f);
AcquireSRWLockExclusive(&ctx->sizeLock);
if (ctx->MouseMove != nullptr)
ctx->MouseMove(ctx->ReportOpaque, mouseX, mouseY);
ReleaseSRWLockExclusive(&ctx->sizeLock);
}
break;
case WM_RBUTTONDOWN:
case WM_MBUTTONDOWN:
case WM_LBUTTONDOWN:
{
auto button = windowsButtonToVLC(message);
AcquireSRWLockExclusive(&ctx->sizeLock);
if (ctx->MousePress != nullptr)
ctx->MousePress(ctx->ReportOpaque, button);
ReleaseSRWLockExclusive(&ctx->sizeLock);
}
break;
case WM_RBUTTONUP:
case WM_MBUTTONUP:
case WM_LBUTTONUP:
{
auto button = windowsButtonToVLC(message);
AcquireSRWLockExclusive(&ctx->sizeLock);
if (ctx->MouseRelease != nullptr)
ctx->MouseRelease(ctx->ReportOpaque, button);
ReleaseSRWLockExclusive(&ctx->sizeLock);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
return 0;