blob: 1f613bf6d864830adcd4b573fd880cf46fa5c76a (
plain)
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
|
/* file_dlg_win32.c
* Native Windows file dialog routines
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 2004 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifdef _WIN32
#include "config.h"
#include <tchar.h>
#include <windows.h>
#include <ws_attributes.h>
#include <ws_diag_control.h>
#include "file_dlg_win32.h"
/* As of Wireshark 4.2, we only support Windows 10 and later, so this
* should always be defined. OTOH, Qt >= 6.0 uses DPI Awareness
* Context Per Monitor Aware v2 by default, so maybe we should make
* it a no-op there. */
#ifdef DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2
typedef DPI_AWARENESS_CONTEXT (WINAPI *GetThreadDpiAwarenessContextProc)(void);
typedef DPI_AWARENESS_CONTEXT (WINAPI *SetThreadDpiAwarenessContextProc)(DPI_AWARENESS_CONTEXT);
static GetThreadDpiAwarenessContextProc GetThreadDpiAwarenessContextP;
static SetThreadDpiAwarenessContextProc SetThreadDpiAwarenessContextP;
static bool got_proc_addresses;
DIAG_OFF(cast-function-type)
static bool get_proc_addresses(void) {
if (got_proc_addresses) return true;
HMODULE u32_module = LoadLibrary(_T("User32.dll"));
if (!u32_module) {
got_proc_addresses = false;
return false;
}
bool got_all = true;
GetThreadDpiAwarenessContextP = (GetThreadDpiAwarenessContextProc) GetProcAddress(u32_module, "GetThreadDpiAwarenessContext");
if (!GetThreadDpiAwarenessContextP) got_all = false;
SetThreadDpiAwarenessContextP = (SetThreadDpiAwarenessContextProc) GetProcAddress(u32_module, "SetThreadDpiAwarenessContext");
if (!SetThreadDpiAwarenessContextP) got_all = false;
got_proc_addresses = got_all;
return got_all;
}
DIAG_ON(cast-function-type)
// Enabling DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 causes issues
// when dragging our open file dialog between differently-DPIed
// displays. It might be time to break down and switch to common
// item dialogs.
HANDLE set_thread_per_monitor_v2_awareness(void) {
if (! get_proc_addresses()) return 0;
#if 0
WCHAR info[100];
StringCchPrintf(info, 100,
L"GetThrDpiAwarenessCtx: %d",
GetThreadDpiAwarenessContextP());
MessageBox(NULL, info, _T("DPI info"), MB_OK);
#endif
return (HANDLE) SetThreadDpiAwarenessContextP(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2);
}
void revert_thread_per_monitor_v2_awareness(HANDLE context) {
if (! get_proc_addresses()) return;
SetThreadDpiAwarenessContextP((DPI_AWARENESS_CONTEXT) context);
}
#else // DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2
HANDLE set_thread_per_monitor_v2_awareness(void) { return 0; }
void revert_thread_per_monitor_v2_awareness(HANDLE context _U_) { }
#endif // DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2
#endif // _WIN32
|
