KControl: add touchpad configuration module

Supports the Libinput and Synaptics drivers, includes documentation and inpupt-touchpad icon.

Signed-off-by: Mavridis Philippe <mavridisf@gmail.com>
(cherry picked from commit 8bd4c502f65ad364261913150ce59a74c993ca1c)

1 files changed, 107 insertions, 0 deletions

diff --git a/kcontrol/input/touchpad_settings.h b/kcontrol/input/touchpad_settings.h
new file mode 100644
index 000000000..8cdfea951
--- /dev/null
+++ b/kcontrol/input/touchpad_settings.h
@@ -0,0 +1,107 @@
+/*******************************************************************************
+ tdecm_touchpad
+ A touchpad module for the TDE Control Centre
+
+ Copyright © 2024 Mavridis Philippe <mavridisf@gmail.com>
+
+ This program is free software: you can redistribute it and/or modify it under
+ the terms of the GNU General Public License as published by the Free Software
+ Foundation, either version 3 of the License, or (at your option) any later
+ version.
+
+ This program is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ this program. If not, see <https://www.gnu.org/licenses/>.
+
+*******************************************************************************/
+
+#ifndef __TOUCHPAD_SETTINGS_H__
+#define __TOUCHPAD_SETTINGS_H__
+
+// TQt
+#include <tqvaluelist.h>
+
+// Macros
+#define DEL(var) \
+  if (var) { delete var; var = nullptr; }
+
+#define ATOM(var, atom) \
+  Atom var = XInternAtom(display, atom, true);
+
+#define PROP(var, property) \
+  XIProperty var = XIProperty(m_touchpad.id, property);
+
+#define SET_PROP(property, type) \
+  DEL(prop) \
+  prop = new XIProperty(m_touchpad.id, property); \
+  if (prop->type == nullptr) \
+  { \
+     kdWarning() << "Failed to set property " << property << endl; \
+     ++fail; \
+  } \
+  else
+
+#define IF_DRIVER(drv) \
+  if (touchpad().driver == Touchpad::Driver::drv)
+
+
+/****************************** struct Touchpad *******************************/
+#undef None
+
+struct Touchpad
+{
+    enum Driver { None, LibInput, Synaptics };
+
+    bool valid = false;
+    unsigned int id;
+    TQCString name;
+    Driver driver = Touchpad::Driver::None;
+
+    void init(unsigned int _id, TQCString _name)
+    {
+        valid = true;
+        id = _id;
+        name = _name;
+    }
+};
+
+
+/***************************** TouchpadSettings *******************************/
+class TouchpadSettings
+{
+    public:
+        TouchpadSettings();
+
+        void load(bool defaults = false);
+        void save();
+        void apply(bool force = false);
+
+        TQValueList<bool> getScrollMethodsAvailability();
+        TQValueList<bool> getAccelProfilesAvailability();
+
+        bool enabled, tapClick, tapDrag, tapDragLock, tapMapping, offWhileTyping,
+             leftHandedMode, midButtonEmulation, naturalScroll, scrollMethod;
+        int scrollDirections, naturalScrollDirections;
+
+        int accelSpeed, accelProfile;
+
+        bool foundTouchpad();
+        Touchpad touchpad();
+
+        // Enable/disable touchpad without applying all settings
+        bool setTouchpadEnabled(bool on);
+
+        bool supportedTouchpad();
+
+    protected:
+        bool findTouchpad();
+
+    private:
+        Touchpad m_touchpad;
+        bool m_foundTouchpad;
+};
+
+#endif // __TOUCHPAD_SETTINGS_H__
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