Add options to InputTextResizable: Hint + Resizable

pthom · May 31, 2024 · 7041abc · 7041abc
1 parent 571e728
commit 7041abc
Show file tree

Hide file tree

Showing 2 changed files with 30 additions and 8 deletions.
diff --git a/src/hello_imgui/hello_imgui_widgets.h b/src/hello_imgui/hello_imgui_widgets.h
@@ -68,8 +68,20 @@ namespace HelloImGui
     //       ```
     struct InputTextData
     {
+        // The text edited in the input field
         std::string Text;
+
+        // An optional hint displayed when the input field is empty
+        // (only works for single-line text input)
+        std::string Hint;
+
+        // If true, the input field is multi-line
         bool Multiline = false;
+
+        // If true, the input field is resizable
+        bool Resizable = true;
+
+        // The size of the input field in em units
         ImVec2 SizeEm = ImVec2(0, 0);
 
         InputTextData(const std::string& text = "", bool multiline = false, ImVec2 size_em = ImVec2(0, 0)) : Text(text), Multiline(multiline), SizeEm(size_em) {}

diff --git a/src/hello_imgui/impl/hello_imgui_widgets.cpp b/src/hello_imgui/impl/hello_imgui_widgets.cpp
@@ -164,18 +164,28 @@ namespace HelloImGui
             else
             {
                 ImGui::SetNextItemWidth(HelloImGui::EmSize(textInput->SizeEm.x));
-                changed = ImGui::InputText(inputLabel.c_str(), &textInput->Text);
+                if (textInput->Hint.empty())
+                    changed = ImGui::InputText(inputLabel.c_str(), &textInput->Text);
+                else
+                    changed = ImGui::InputTextWithHint(inputLabel.c_str(), textInput->Hint.c_str(), &textInput->Text);
             }
         };
 
-        ImVec2 newSizePixels = HelloImGui::WidgetWithResizeHandle(label, gui_cb, 0.8f);
-        ImVec2 newSize = HelloImGui::PixelsToEm(newSizePixels);
-        if (textInput->Multiline)
-            textInput->SizeEm = newSize;
+        if (textInput->Resizable)
+        {
+            ImVec2 newSizePixels = HelloImGui::WidgetWithResizeHandle(label, gui_cb, 0.8f);
+            ImVec2 newSize = HelloImGui::PixelsToEm(newSizePixels);
+            if (textInput->Multiline)
+                textInput->SizeEm = newSize;
+            else
+                textInput->SizeEm.x = newSize.x;
+            if (textInput->SizeEm.x < 1.f)
+                textInput->SizeEm.x = 1.f;
+        }
         else
-            textInput->SizeEm.x = newSize.x;
-        if (textInput->SizeEm.x < 1.f)
-            textInput->SizeEm.x = 1.f;
+        {
+            gui_cb();
+        }
 
         if (!labelIsHidden)
         {