hide browse icon when not in channel with perms

res/css/main.css

@@ -122,7 +122,12 @@
     color: #b9bbbe;
 }
 
-.message-input {
+/* i dont think theres a way to circumvent having to do this to adjust around the browse icon */
+.message-input:not(.with-browser-icon) {
+    padding: 0px 0px 0px 5px;
+}
+
+.message-input.with-browse-icon {
     padding: 0px 0px 0px 30px;
 }
 

src/components/chatinput.cpp

@@ -149,6 +149,14 @@ ChatInputText &ChatInputTextContainer::Get() {
     return m_input;
 }
 
+void ChatInputTextContainer::ShowChooserIcon() {
+    m_upload_ev.show();
+}
+
+void ChatInputTextContainer::HideChooserIcon() {
+    m_upload_ev.hide();
+}
+
 bool ChatInputTextContainer::GetChildPosition(Gtk::Widget *child, Gdk::Rectangle &pos) {
     Gtk::Allocation main_alloc;
     {
@@ -470,6 +478,8 @@ ChatInput::ChatInput()
     m_attachments.signal_emptied().connect([this] {
         m_attachments_revealer.set_reveal_child(false);
     });
+
+    SetActiveChannel(Snowflake::Invalid);
 }
 
 void ChatInput::InsertText(const Glib::ustring &text) {
@@ -526,6 +536,13 @@ void ChatInput::IndicateTooLarge() {
 
 void ChatInput::SetActiveChannel(Snowflake id) {
     m_active_channel = id;
+    if (CanAttachFiles()) {
+        m_input.Get().get_style_context()->add_class("with-browse-icon");
+        m_input.ShowChooserIcon();
+    } else {
+        m_input.Get().get_style_context()->remove_class("with-browse-icon");
+        m_input.HideChooserIcon();
+    }
 }
 
 void ChatInput::StartReplying() {

src/components/chatinput.hpp

@@ -103,6 +103,9 @@ public:
     // not proxying everythign lol!!
     ChatInputText &Get();
 
+    void ShowChooserIcon();
+    void HideChooserIcon();
+
 private:
     void ShowFileChooser();
     bool GetChildPosition(Gtk::Widget *child, Gdk::Rectangle &pos);