allow auto expand in scroll mode (#192)

README.md

@@ -32,6 +32,10 @@ cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Debug
 cmake --build build
 sudo cmake --install build
 ```
+After the first time you execute `cmake --install`, you need to logout and login,
+then add Fcitx5 in System Setttings -> Keyboard -> Input Sources, Chinese Simplified.
+
+For installations afterwards, clicking `Restart` in Fcitx5 menu suffices.
 
 ### Code sign
 Some features (e.g. notifications, core dump) require the app bundle be code-signed after installation:

tests/testconfig.cpp

@@ -28,7 +28,7 @@ int main() {
     }
 
     // Can get available input methods.
-    { std::cerr << imGetAvailableIMs() << std::endl; }
+    std::cerr << imGetAvailableIMs() << std::endl;
 
     // Can set config
     std::vector<std::string> values{"False", "True"};

webpanel/webpanel.cpp

@@ -350,6 +350,10 @@ void WebPanel::update(UserInterfaceComponent component,
                     candidate_window::scroll_state_t::scrolling) {
                     return expand();
                 }
+                if (*config_.scrollMode->autoExpand) {
+                    scrollState_ = candidate_window::scroll_state_t::scrolling;
+                    return expand();
+                }
                 scrollState_ = candidate_window::scroll_state_t::ready;
             } else {
                 scrollState_ = candidate_window::scroll_state_t::none;

webpanel/webpanel.h

@@ -184,6 +184,7 @@ FCITX_CONFIGURATION(
 FCITX_CONFIGURATION(
     ScrollConfig,
     Option<bool> enableScroll{this, "EnableScroll", _("Enable scroll"), true};
+    Option<bool> autoExpand{this, "AutoExpand", _("Auto expand"), false};
     Option<KeyList> expand{this, "Expand", _("Expand"), {Key(FcitxKey_Down)}};
     Option<KeyList> collapse{this, "Collapse", _("Collapse"), {}};
     Option<KeyList> up{this, "Up", _("Up"), {Key(FcitxKey_Up)}};