diff options
| author | Robin Gareus <robin@gareus.org> | 2018-11-01 19:12:43 +0100 |
|---|---|---|
| committer | Robin Gareus <robin@gareus.org> | 2018-11-01 20:09:20 +0100 |
| commit | 197f5460dff915846cc2a1ce0d5a2118de4a78a4 (patch) | |
| tree | 5eba26c284a604479bc4a651d4fd12da28250635 /gtk2_ardour/vst_plugin_ui.cc | |
| parent | abdc0da6e367a337af7733aabfec63852f5d2836 (diff) | |
Add API to dispatch keyboard events to VST Plugins
Diffstat (limited to 'gtk2_ardour/vst_plugin_ui.cc')
| -rw-r--r-- | gtk2_ardour/vst_plugin_ui.cc | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/gtk2_ardour/vst_plugin_ui.cc b/gtk2_ardour/vst_plugin_ui.cc index fe66619601..33f1264a4b 100644 --- a/gtk2_ardour/vst_plugin_ui.cc +++ b/gtk2_ardour/vst_plugin_ui.cc @@ -170,3 +170,115 @@ VSTPluginUI::configure_handler (GdkEventConfigure*) return false; } + +bool +VSTPluginUI::dispatch_effeditkey (GdkEventKey* gdk_key) +{ + int effopcode; + switch (gdk_key->type) { + case GDK_KEY_PRESS: + effopcode = 59; // effEditKeyDown + break; + case GDK_KEY_RELEASE: + effopcode = 60; // effEditKeyUp + break; + default: + return false; + } + + /* see https://github.com/DISTRHO/DPF/blob/master/distrho/src/DistrhoPluginVST.cpp */ + int special_key = 0; + int ascii_key = 0; + + switch (gdk_key->keyval) { + case GDK_BackSpace: + special_key = 1; + break; + case GDK_Tab: + case GDK_KP_Tab: + special_key = 2; + break; + case GDK_Return: + case GDK_KP_Enter: + special_key = 4; + break; + case GDK_Escape: + special_key = 6; + break; + case GDK_KP_Space: + special_key = 7; + break; + + case GDK_End: + case GDK_KP_End: + special_key = 9; + break; + case GDK_Home: + case GDK_KP_Home: + special_key = 10; + break; + case GDK_Left: + special_key = 11; + break; + case GDK_Up: + special_key = 12; + break; + case GDK_Right: + special_key = 13; + break; + case GDK_Down: + special_key = 14; + break; + case GDK_Page_Up: + case GDK_KP_Page_Up: + special_key = 15; + break; + case GDK_Page_Down: + case GDK_KP_Page_Down: + special_key = 16; + case GDK_Insert: + special_key = 21; + break; + case GDK_Delete: + case GDK_KP_Delete: + special_key = 22; + break; + + case GDK_Shift_L: + case GDK_Shift_R: + special_key = 54; + break; + case GDK_Control_L: + case GDK_Control_R: + special_key = 55; + break; + case GDK_Alt_L: + case GDK_Alt_R: + special_key = 56; + break; + + case GDK_F1: special_key = 40; break; + case GDK_F2: special_key = 41; break; + case GDK_F3: special_key = 42; break; + case GDK_F4: special_key = 43; break; + case GDK_F5: special_key = 44; break; + case GDK_F6: special_key = 45; break; + case GDK_F7: special_key = 46; break; + case GDK_F8: special_key = 47; break; + case GDK_F9: special_key = 48; break; + case GDK_F10: special_key = 49; break; + case GDK_F11: special_key = 50; break; + case GDK_F12: special_key = 51; break; + + default: + ascii_key = gdk_key->keyval; + break; + } + + if (special_key > 0 || ascii_key > 0) { + VSTState* vstfx = _vst->state(); + /* expect non-zero return if key was handled */ + return 0 != vstfx->plugin->dispatcher (vstfx->plugin, effopcode, (int)ascii_key, (intptr_t)special_key, NULL, 0); + } + return false; +} |