Fix scroll event handling

Github-Issue: #45

daemon/x52d_mouse_evdev.c

@@ -30,13 +30,21 @@ static bool mouse_uidev_created = false;
 static volatile libx52io_report old_report;
 static volatile libx52io_report new_report;
 
+static bool button_changed(int index, bool *new_value)
+{
+    bool changed = old_report.button[index] != new_report.button[index];
+    if (changed) {
+        *new_value = new_report.button[index];
+    }
+    return changed;
+}
+
 static int report_button_change(int button, int index)
 {
     int rc = 1;
-    bool old_button = old_report.button[index];
+    bool new_button;
-    bool new_button = new_report.button[index];
 
-    if (old_button != new_button) {
+    if (button_changed(index, &new_button)) {
         rc = libevdev_uinput_write_event(mouse_uidev, EV_KEY, button,
                                     (int)new_button);
         if (rc != 0) {
@@ -52,8 +60,10 @@ static int report_wheel(void)
 {
     int rc = 1;
     int wheel = 0;
-    bool scroll_up = new_report.button[LIBX52IO_BTN_MOUSE_SCROLL_UP];
+    bool scroll_up = false;
-    bool scroll_dn = new_report.button[LIBX52IO_BTN_MOUSE_SCROLL_DN];
+    bool scroll_dn = false;
+    button_changed(LIBX52IO_BTN_MOUSE_SCROLL_UP, &scroll_up);
+    button_changed(LIBX52IO_BTN_MOUSE_SCROLL_DN, &scroll_dn);
 
     if (scroll_up) {
         // Scroll up event

po/libx52.pot

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: libx52 0.2.3\n"
 "Report-Msgid-Bugs-To: https://github.com/nirenjan/libx52/issues\n"
-"POT-Creation-Date: 2022-06-05 08:22-0700\n"
+"POT-Creation-Date: 2022-06-05 12:59-0700\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -832,43 +832,43 @@ msgstr ""
 msgid "Setting mouse reverse scroll to %s"
 msgstr ""
 
-#: daemon/x52d_mouse_evdev.c:43
+#: daemon/x52d_mouse_evdev.c:51
 #, c-format
 msgid "Error writing mouse button event (button %d, state %d)"
 msgstr ""
 
-#: daemon/x52d_mouse_evdev.c:69
+#: daemon/x52d_mouse_evdev.c:79
 #, c-format
 msgid "Error writing mouse wheel event %d"
 msgstr ""
 
-#: daemon/x52d_mouse_evdev.c:102
+#: daemon/x52d_mouse_evdev.c:112
 #, c-format
 msgid "Error writing mouse axis event (axis %d, value %d)"
 msgstr ""
 
-#: daemon/x52d_mouse_evdev.c:115
+#: daemon/x52d_mouse_evdev.c:125
 msgid "Error writing mouse sync event"
 msgstr ""
 
-#: daemon/x52d_mouse_evdev.c:134
+#: daemon/x52d_mouse_evdev.c:144
 msgid "Starting X52 virtual mouse driver thread"
 msgstr ""
 
-#: daemon/x52d_mouse_evdev.c:157
+#: daemon/x52d_mouse_evdev.c:167
 #, c-format
 msgid "Error %d initializing mouse thread: %s"
 msgstr ""
 
-#: daemon/x52d_mouse_evdev.c:164
+#: daemon/x52d_mouse_evdev.c:174
 msgid "Shutting down X52 virtual mouse driver thread"
 msgstr ""
 
-#: daemon/x52d_mouse_evdev.c:171
+#: daemon/x52d_mouse_evdev.c:181
 msgid "Virtual mouse not created. Ignoring thread state change"
 msgstr ""
 
-#: daemon/x52d_mouse_evdev.c:236
+#: daemon/x52d_mouse_evdev.c:246
 #, c-format
 msgid "Error %d creating X52 virtual mouse: %s"
 msgstr ""

po/xx_PL.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: libx52 0.2.3\n"
 "Report-Msgid-Bugs-To: https://github.com/nirenjan/libx52/issues\n"
-"POT-Creation-Date: 2022-06-05 08:22-0700\n"
+"POT-Creation-Date: 2022-06-05 12:59-0700\n"
 "PO-Revision-Date: 2022-06-05 08:51-0700\n"
 "Last-Translator: Nirenjan Krishnan <nirenjan@gmail.com>\n"
 "Language-Team: Dummy Language for testing i18n\n"
@@ -884,43 +884,43 @@ msgstr "Ettingsay ousemay eedspay otay %d (elayday %d ms, ultipliermay %f)"
 msgid "Setting mouse reverse scroll to %s"
 msgstr "Ettingsay ousemay everseray ollscray otay %s"
 
-#: daemon/x52d_mouse_evdev.c:43
+#: daemon/x52d_mouse_evdev.c:51
 #, c-format
 msgid "Error writing mouse button event (button %d, state %d)"
 msgstr "Erroray itingwray ousemay uttonbay eventay (uttonbay %d, atestay %d)"
 
-#: daemon/x52d_mouse_evdev.c:69
+#: daemon/x52d_mouse_evdev.c:79
 #, c-format
 msgid "Error writing mouse wheel event %d"
 msgstr "Erroray itingwray ousemay eelwhay eventay %d"
 
-#: daemon/x52d_mouse_evdev.c:102
+#: daemon/x52d_mouse_evdev.c:112
 #, c-format
 msgid "Error writing mouse axis event (axis %d, value %d)"
 msgstr "Erroray itingwray ousemay axisay eventay (axisay %d, aluevay %d)"
 
-#: daemon/x52d_mouse_evdev.c:115
+#: daemon/x52d_mouse_evdev.c:125
 msgid "Error writing mouse sync event"
 msgstr "Erroray itingwray ousemay yncsay eventay"
 
-#: daemon/x52d_mouse_evdev.c:134
+#: daemon/x52d_mouse_evdev.c:144
 msgid "Starting X52 virtual mouse driver thread"
 msgstr "Artingstay X52 irtualvay ousemay iverdray eadthray"
 
-#: daemon/x52d_mouse_evdev.c:157
+#: daemon/x52d_mouse_evdev.c:167
 #, c-format
 msgid "Error %d initializing mouse thread: %s"
 msgstr "Erroray %d initializingay ousemay eadthray: %s"
 
-#: daemon/x52d_mouse_evdev.c:164
+#: daemon/x52d_mouse_evdev.c:174
 msgid "Shutting down X52 virtual mouse driver thread"
 msgstr "Uttingshay ownday X52 irtualvay ousemay iverdray eadthray"
 
-#: daemon/x52d_mouse_evdev.c:171
+#: daemon/x52d_mouse_evdev.c:181
 msgid "Virtual mouse not created. Ignoring thread state change"
 msgstr "Irtualvay ousemay otnay eatedcray. Ignoringa eadthray atestay angechay"
 
-#: daemon/x52d_mouse_evdev.c:236
+#: daemon/x52d_mouse_evdev.c:246
 #, c-format
 msgid "Error %d creating X52 virtual mouse: %s"
 msgstr "Erroray %d eatingcray X52 irtualvay ousemay: %s"