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Implement per-screen DPI on Windows, DPI change event, wxDialog & wxFrame mixin base classes

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This commit is contained in:
Vojtech Kral 2019-04-02 12:00:50 +02:00
parent af05e5fc2c
commit 7e32f2df71
5 changed files with 159 additions and 2 deletions
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20
src/slic3r/GUI/GUI_App.cpp
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@ -76,6 +76,24 @@ wxString file_wildcards(FileType file_type, const std::string &custom_extension)
static std::string libslic3r_translate_callback(const char *s) { return wxGetTranslation(wxString(s, wxConvUTF8)).utf8_str().data(); }
static void register_dpi_event()
{
#ifdef WIN32
enum { WM_DPICHANGED_ = 0x02e0 };
wxWindow::MSWRegisterMessageHandler(WM_DPICHANGED_, [](wxWindow *win, WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam) {
const int dpi = wParam & 0xffff;
const auto rect = reinterpret_cast<PRECT>(lParam);
const wxRect wxrect(wxPoint(rect->top, rect->left), wxPoint(rect->bottom, rect->right));
DpiChangedEvent evt(EVT_DPI_CHANGED, dpi, wxrect);
win->GetEventHandler()->AddPendingEvent(evt);
return true;
});
#endif
}
IMPLEMENT_APP(GUI_App)
GUI_App::GUI_App()
@ -149,6 +167,8 @@ bool GUI_App::OnInit()
show_error(nullptr, ex.what());
}
register_dpi_event();
// Let the libslic3r know the callback, which will translate messages on demand.
Slic3r::I18N::set_translate_callback(libslic3r_translate_callback);