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author | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2023-09-21 14:15:22 +0200 |
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committer | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2023-10-03 10:02:32 +0200 |
commit | 89439895c23649e0b8068888d1739a380242c83e (patch) | |
tree | 18dd74386c3e4d9f7e25d6e73ce68934fffb3580 /src | |
parent | 70c3a0f052d36cfc7aff72230e960a15ee0ec3d3 (diff) | |
download | arctica-greeter-89439895c23649e0b8068888d1739a380242c83e.tar.gz arctica-greeter-89439895c23649e0b8068888d1739a380242c83e.tar.bz2 arctica-greeter-89439895c23649e0b8068888d1739a380242c83e.zip |
a11y / OSK: Restart OSK on theme toggling (normal/high-contrast) and adjust the OSK theme accordingly.
Diffstat (limited to 'src')
-rw-r--r-- | src/arctica-greeter.vala | 104 | ||||
-rw-r--r-- | src/settings.vala | 1 |
2 files changed, 97 insertions, 8 deletions
diff --git a/src/arctica-greeter.vala b/src/arctica-greeter.vala index d0f9902..c327ed3 100644 --- a/src/arctica-greeter.vala +++ b/src/arctica-greeter.vala @@ -1351,14 +1351,24 @@ public class DBusServer : Object private ArcticaGreeter pGreeter; private Pid nOrca = 0; private Pid nOnBoard = 0; + private Gtk.Socket pSocket = null; + private bool high_contrast_osk = AGSettings.get_boolean(AGSettings.KEY_HIGH_CONTRAST); private void closePid (ref Pid nPid) { if (nPid > 0) { - Posix.kill (nPid, Posix.Signal.TERM); + + /* Make sure we operate on the complete process group here + * (POSIX specs: prepend a '-' to the PID to affect the complete + * process group). + * + * Otherwise a follow-up onboard process (group) will refuse to start + * immediately after having killed the previous process (group). + */ + Posix.kill (-nPid, Posix.Signal.TERM); int nStatus; - Posix.waitpid (nPid, out nStatus, 0); + Posix.waitpid (-nPid, out nStatus, 0); nPid = 0; } } @@ -1418,18 +1428,62 @@ public class DBusServer : Object public void ToggleOnBoard (bool bActive) throws GLib.DBusError, GLib.IOError { - AGSettings.set_boolean (AGSettings.KEY_ONSCREEN_KEYBOARD, bActive); - if (this.pGreeter.pKeyboardWindow == null) + int nId = 0; + var sTheme = ""; + + if (AGSettings.get_boolean (AGSettings.KEY_ONSCREEN_KEYBOARD) != bActive) + { + AGSettings.set_boolean (AGSettings.KEY_ONSCREEN_KEYBOARD, bActive); + } + + if (high_contrast_osk != AGSettings.get_boolean(AGSettings.KEY_HIGH_CONTRAST)) + { + if (nOnBoard != 0) + { + + /* Hide the OSK window while fiddling with it... + */ + this.pGreeter.pKeyboardWindow.visible = false; + + /* calling closePid sets nOnBoard to 0 */ + debug ("Closing previous keyboard with PID %d", nOnBoard); + closePid (ref nOnBoard); + + /* Sending SIGTERM to the plug (i.e. the onboard process group) + * will destroy pSocket, so NULLing it now. + */ + debug ("Tearing down OSK's Gtk.Socket"); + this.pGreeter.pKeyboardWindow.remove (pSocket); + pSocket = null; + + /* Start with fresh Gkt.Window object for OSK relaunch. + */ + debug ("Tearing down OSK's Gtk.Window"); + this.pGreeter.pKeyboardWindow.close(); + this.pGreeter.pKeyboardWindow = null; + + } + high_contrast_osk = AGSettings.get_boolean(AGSettings.KEY_HIGH_CONTRAST); + } + + if (nOnBoard == 0) { - int nId = 0; try { + var sLayout = AGSettings.get_string (AGSettings.KEY_ONSCREEN_KEYBOARD_LAYOUT); var sLayoutPath = "/usr/share/onboard/layouts/%s.onboard".printf (sLayout); var pLayoutFile = File.new_for_path (sLayoutPath); - var sTheme = AGSettings.get_string (AGSettings.KEY_ONSCREEN_KEYBOARD_THEME); + if (high_contrast_osk) + { + sTheme = AGSettings.get_string (AGSettings.KEY_HIGH_CONTRAST_ONSCREEN_KEYBOARD_THEME); + } + else + { + sTheme = AGSettings.get_string (AGSettings.KEY_ONSCREEN_KEYBOARD_THEME); + } var sThemePath = "/usr/share/onboard/themes/%s.theme".printf (sTheme); var pThemeFile = File.new_for_path (sThemePath); var sLayoutArgs = ""; @@ -1447,10 +1501,20 @@ public class DBusServer : Object } string sCommand = "onboard --xid %s %s".printf (sLayoutArgs, sThemeArgs); + debug ("Launching OSK: '%s'", sCommand); + string[] lArgs; Shell.parse_argv (sCommand, out lArgs); int nOnboardFD; - Process.spawn_async_with_pipes (null, lArgs, null, SpawnFlags.SEARCH_PATH, null, out nOnBoard, null, out nOnboardFD, null); + Process.spawn_async_with_pipes (null, + lArgs, + null, + SpawnFlags.SEARCH_PATH, + null, + out nOnBoard, + null, + out nOnboardFD, + null); var pFile = FileStream.fdopen (nOnboardFD, "r"); var sText = new char[1024]; @@ -1466,15 +1530,35 @@ public class DBusServer : Object return; } + } - var pSocket = new Gtk.Socket (); + if (pSocket == null) + { + debug ("Creating Gtk.Socket for OSK"); + pSocket = new Gtk.Socket (); pSocket.show (); + } + + if ((this.pGreeter.pKeyboardWindow == null) && (pSocket != null)) + { + debug ("Creating Gtk.Window for OSK"); this.pGreeter.pKeyboardWindow = new Gtk.Window (); this.pGreeter.pKeyboardWindow.accept_focus = false; this.pGreeter.pKeyboardWindow.focus_on_map = false; + this.pGreeter.pKeyboardWindow.set_title("OSK (theme: %s)".printf(sTheme)); + } + + if ((this.pGreeter.pKeyboardWindow != null) && (pSocket != null) && (nId != 0)) + { + /* attach the GtkSocket, which will host the onboard keyboard, to pKeyboardWindow */ + debug ("Adding OSK Gtk.Socket to OSK Gtk.Window"); this.pGreeter.pKeyboardWindow.add (pSocket); + + debug ("Attaching new onboard process to OSK Gtk.Socket (+ Gtk.Window)"); pSocket.add_id (nId); + /* resize the keyboard window to cover the lower part of the screen */ + debug ("Resizing OSK window."); var pDisplay = this.pGreeter.main_window.get_display (); var pMonitor = pDisplay.get_monitor_at_window (this.pGreeter.main_window.get_window ()); Gdk.Rectangle cRect = pMonitor.get_geometry (); @@ -1537,5 +1621,9 @@ public class DBusServer : Object { var agsettings = new AGSettings (); agsettings.high_contrast = bActive; + + /* Trigger onboard restart with correct theme */ + debug ("High-Contrast mode toggled (new state: %b), refreshing OSK, as well.", bActive); + ToggleOnBoard (AGSettings.get_boolean (AGSettings.KEY_ONSCREEN_KEYBOARD)); } } diff --git a/src/settings.vala b/src/settings.vala index 656b52a..b870bd2 100644 --- a/src/settings.vala +++ b/src/settings.vala @@ -49,6 +49,7 @@ public class AGSettings : Object public const string KEY_ONSCREEN_KEYBOARD = "onscreen-keyboard"; public const string KEY_ONSCREEN_KEYBOARD_LAYOUT = "onscreen-keyboard-layout"; public const string KEY_ONSCREEN_KEYBOARD_THEME = "onscreen-keyboard-theme"; + public const string KEY_HIGH_CONTRAST_ONSCREEN_KEYBOARD_THEME = "high-contrast-onscreen-keyboard-theme"; public const string KEY_HIGH_CONTRAST = "high-contrast"; public const string KEY_BIG_FONT = "big-font"; public const string KEY_SCREEN_READER = "screen-reader"; |