Nav: InputText: Allow editing text input fields with NavActivate (spa…

…ce). Not sure about that, on one hand it feels more consistent but you can't finish the editing with space to double space (activate + input space) could feel inconsistent. (ocornut#787)

imgui.cpp

@@ -9887,11 +9887,12 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
 
     const bool user_clicked = hovered && io.MouseClicked[0];
     const bool user_scrolled = is_multiline && g.ActiveId == 0 && edit_state.Id == id && g.ActiveIdPreviousFrame == draw_window->GetIDNoKeepAlive("#SCROLLY");
+    const bool user_nav_input_start = (g.ActiveId != id) && ((g.NavInputId == id) || (g.NavActivateId == id && g.NavInputSource == ImGuiInputSource_NavKeyboard));
 
     bool clear_active_id = false;
 
-    bool select_all = (g.ActiveId != id) && (((flags & ImGuiInputTextFlags_AutoSelectAll) != 0) || (g.NavInputId == id)) && (!is_multiline);
-    if (focus_requested || user_clicked || user_scrolled || g.NavInputId == id)
+    bool select_all = (g.ActiveId != id) && ((flags & ImGuiInputTextFlags_AutoSelectAll) != 0 || user_nav_input_start) && (!is_multiline);
+    if (focus_requested || user_clicked || user_scrolled || user_nav_input_start)
     {
         if (g.ActiveId != id)
         {
@@ -9999,18 +10000,15 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
         if (io.InputCharacters[0])
         {
             // Process text input (before we check for Return because using some IME will effectively send a Return?)
-            // We ignore CTRL inputs, but need to allow CTRL+ALT as some keyboards (e.g. German) use AltGR - which is Alt+Ctrl - to input certain characters.
-            if (!(io.KeyCtrl && !io.KeyAlt) && is_editable)
-            {
+            // We ignore CTRL inputs, but need to allow ALT+CTRL as some keyboards (e.g. German) use AltGR (which _is_ Alt+Ctrl) to input certain characters.
+            if (!(io.KeyCtrl && !io.KeyAlt) && is_editable && !user_nav_input_start)
                 for (int n = 0; n < IM_ARRAYSIZE(io.InputCharacters) && io.InputCharacters[n]; n++)
-                    if (unsigned int c = (unsigned int)io.InputCharacters[n])
-                    {
-                        // Insert character if they pass filtering
-                        if (!InputTextFilterCharacter(&c, flags, callback, user_data))
-                            continue;
+                {
+                    // Insert character if they pass filtering
+                    unsigned int c = (unsigned int)io.InputCharacters[n];
+                    if (InputTextFilterCharacter(&c, flags, callback, user_data))
                         edit_state.OnKeyPressed((int)c);
-                    }
-            }
+                }
 
             // Consume characters
             memset(g.IO.InputCharacters, 0, sizeof(g.IO.InputCharacters));