InputText: Moving some code in anticipation of supporting hint display with password. This commit is aimed at having no visible side effect. (#2400)

imgui_widgets.cpp

@@ -3252,23 +3252,6 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
     if (hovered)
         g.MouseCursor = ImGuiMouseCursor_TextInput;
 
-    // Password pushes a temporary font with only a fallback glyph
-    if (is_password)
-    {
-        const ImFontGlyph* glyph = g.Font->FindGlyph('*');
-        ImFont* password_font = &g.InputTextPasswordFont;
-        password_font->FontSize = g.Font->FontSize;
-        password_font->Scale = g.Font->Scale;
-        password_font->DisplayOffset = g.Font->DisplayOffset;
-        password_font->Ascent = g.Font->Ascent;
-        password_font->Descent = g.Font->Descent;
-        password_font->ContainerAtlas = g.Font->ContainerAtlas;
-        password_font->FallbackGlyph = glyph;
-        password_font->FallbackAdvanceX = glyph->AdvanceX;
-        IM_ASSERT(password_font->Glyphs.empty() && password_font->IndexAdvanceX.empty() && password_font->IndexLookup.empty());
-        PushFont(password_font);
-    }
-
     // NB: we are only allowed to access 'edit_state' if we are the active widget.
     ImGuiInputTextState* state = NULL;
     if (g.InputTextState.ID == id)
@@ -3353,10 +3336,6 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
     if (g.ActiveId == id && io.MouseClicked[0] && !init_state && !init_make_active) //-V560
         clear_active_id = true;
 
-    bool value_changed = false;
-    bool enter_pressed = false;
-    int backup_current_text_length = 0;
-
     // When read-only we always use the live data passed to the function
     // FIXME-OPT: Because our selection/cursor code currently needs the wide text we need to convert it when active, which is not ideal :(
     if (is_readonly && state != NULL)
@@ -3373,7 +3352,31 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
         }
     }
 
+    // Lock the decision of whether we are going to take the path displaying the cursor or selection
+    const bool render_cursor = (g.ActiveId == id) || (state && user_scroll_active);
+    const bool render_selection = state && state->HasSelection() && (RENDER_SELECTION_WHEN_INACTIVE || render_cursor);
+    bool value_changed = false;
+    bool enter_pressed = false;
+
+    // Password pushes a temporary font with only a fallback glyph
+    if (is_password)
+    {
+        const ImFontGlyph* glyph = g.Font->FindGlyph('*');
+        ImFont* password_font = &g.InputTextPasswordFont;
+        password_font->FontSize = g.Font->FontSize;
+        password_font->Scale = g.Font->Scale;
+        password_font->DisplayOffset = g.Font->DisplayOffset;
+        password_font->Ascent = g.Font->Ascent;
+        password_font->Descent = g.Font->Descent;
+        password_font->ContainerAtlas = g.Font->ContainerAtlas;
+        password_font->FallbackGlyph = glyph;
+        password_font->FallbackAdvanceX = glyph->AdvanceX;
+        IM_ASSERT(password_font->Glyphs.empty() && password_font->IndexAdvanceX.empty() && password_font->IndexLookup.empty());
+        PushFont(password_font);
+    }
+
     // Process mouse inputs and character inputs
+    int backup_current_text_length = 0;
     if (g.ActiveId == id)
     {
         IM_ASSERT(state != NULL);
@@ -3725,8 +3728,6 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
 
     // Render text. We currently only render selection when the widget is active or while scrolling.
     // FIXME: We could remove the '&& render_cursor' to keep rendering selection when inactive.
-    const bool render_cursor = (g.ActiveId == id) || (state && user_scroll_active);
-    const bool render_selection = state && state->HasSelection() && (RENDER_SELECTION_WHEN_INACTIVE || render_cursor);
     if (render_cursor || render_selection)
     {
         // Render text (with cursor and selection)