Add Event Callback for text change (L0hp5jTY7Y)

Neko-Box-Coder · Jul 30, 2023 · 4bd3a30 · 4bd3a30
1 parent 24ba27d
commit 4bd3a30
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Showing 6 changed files with 103 additions and 47 deletions.
diff --git a/Include/ssGUI/Enums/EventType.hpp b/Include/ssGUI/Enums/EventType.hpp
@@ -61,7 +61,8 @@ namespace ssGUI
         WINDOW_DRAG_STATE_CHANGED           - Triggered *after* this GUI object (window) drag state is changed. Window(Container) will be the source for triggering this event callback.
         OBJECT_UPDATED                      - Triggered *after* this GUI object is being updated. Container will be the source for triggering this event callback.
                                                 <ssGUI::EventInfo::CustomInfo> will be pointer to <ssGUI::ObjectUpdateInfo> struct.
-        
+        TEXT_CONTENT_CHANGED                - Triggered *shortly after* there's a text content change (Not visual change such as underline or bold). 
+                                                The text GUI object that has the text being changed will be the source for triggering this event callback.
         COUNT                               - Count
         
         SCROLLBAR_VALUE_CHANGED             - Same as <SLIDER_VALUE_CHANGED>
@@ -90,6 +91,7 @@ namespace ssGUI
             ITEM_SELECTED,
             MIN_MAX_SIZE_CHANGED,
             OBJECT_RENDERED,
+            TEXT_CONTENT_CHANGED,
             RECURSIVE_CHILD_ADDED,
             RECURSIVE_CHILD_REMOVED,
             SIZE_CHANGED,
@@ -109,7 +111,7 @@ namespace ssGUI
         //function: EventTypeToString
         inline std::string EventTypeToString(EventType event)
         {
-            static_assert((int)EventType::COUNT == 26, "ToString");
+            static_assert((int)EventType::COUNT == 27, "ToString");
             switch(event)
             {
                 RETURN_ENUM_STRING(EventType::NONE);
@@ -132,6 +134,7 @@ namespace ssGUI
                 RETURN_ENUM_STRING(EventType::ITEM_SELECTED);
                 RETURN_ENUM_STRING(EventType::MIN_MAX_SIZE_CHANGED);
                 RETURN_ENUM_STRING(EventType::OBJECT_RENDERED);
+                RETURN_ENUM_STRING(EventType::TEXT_CONTENT_CHANGED);
                 RETURN_ENUM_STRING(EventType::RECURSIVE_CHILD_ADDED);
                 RETURN_ENUM_STRING(EventType::RECURSIVE_CHILD_REMOVED);
                 RETURN_ENUM_STRING(EventType::SIZE_CHANGED);

diff --git a/Include/ssGUI/GUIObjectClasses/Text.hpp b/Include/ssGUI/GUIObjectClasses/Text.hpp
@@ -57,6 +57,8 @@ namespace ssGUI
 
         uint32_t LastDefaultFontsID;                                                        //(Internal variable) Used to keep track if there's any changes to the default fonts
 
+        bool TextContentChanged;                                                            //(Internal variable) Used to keep track if there's any changes to the text content
+
         static int TextObjectCount;                                                         //(Internal variable) Used for deallocating default resources
         static std::vector<ssGUI::Font*> DefaultFonts;                                      //See <GetDefaultFont>
         static uint32_t DefaultFontsChangeID;                                               //(Internal variable) Used to track default font changes
@@ -86,7 +88,8 @@ namespace ssGUI
                     DeselectWhenFocusLost(true),
                     SelectionColor(51, 153, 255, 255),
                     TextSelectedColor(255, 255, 255, 255),
-                    LastDefaultFontsID(0)
+                    LastDefaultFontsID(0),
+                    TextContentChanged(false)
     {
         SetBackgroundColor(glm::ivec4(255, 255, 255, 0));
         SetBlockInput(false);
@@ -164,6 +167,8 @@ namespace ssGUI
 
             uint32_t LastDefaultFontsID;                                                        //(Internal variable) Used to keep track if there's any changes to the default fonts
 
+            bool TextContentChanged;                                                            //(Internal variable) Used to keep track if there's any changes to the text content
+
             static int TextObjectCount;                                                         //(Internal variable) Used for deallocating default resources
             static std::vector<ssGUI::Font*> DefaultFonts;                                      //See <GetDefaultFont>
             static uint32_t DefaultFontsChangeID;                                               //(Internal variable) Used to track default font changes

diff --git a/Src/Examples/Playground/TextfieldPlayground.cpp b/Src/Examples/Playground/TextfieldPlayground.cpp
@@ -0,0 +1,32 @@
+#include "ssGUI/HeaderGroups/StandardGroup.hpp"
+
+#include "ssLogger/ssLog.hpp"
+#include "ExamplesResources.h"
+
+int main()
+{
+    ssGUI::MainWindow mainWindow;
+
+    //Creating ssGUIManager and run it
+    ssGUI::ssGUIManager guiManager;
+    auto* textfield = mainWindow.AddChild<ssGUI::TextField>();
+
+    textfield->SetSize(glm::vec2(500, 250));
+    textfield->SetPosition(glm::vec2(50, 50));
+    textfield->SetWrappingMode(ssGUI::Enums::TextWrapping::WORD_WRAPPING);
+
+    textfield->AddEventCallback(ssGUI::Enums::EventType::TEXT_CONTENT_CHANGED)->AddEventListener
+    (
+        "Key",
+        [](ssGUI::EventInfo& info)
+        {
+            ssLOG_LINE("Changing...");
+        }
+    );
+
+    guiManager.AddRootGUIObject((ssGUI::GUIObject*)&mainWindow);
+
+    guiManager.StartRunning();
+
+    return 0;
+}
diff --git a/Src/Tests/ManualTests/BackendTests/BackendDrawingTest_Manual.cpp b/Src/Tests/ManualTests/BackendTests/BackendDrawingTest_Manual.cpp
@@ -282,7 +282,7 @@ void DrawFontTest()
     }
 }
 
-//NOTE: Skipping AddImageCache for now, it is used internally anyway so it should be working.
+//TODO: Need to test AddImageCache
 
 void RemoveImageCacheTest()
 {

diff --git a/Src/ssGUI/GUIObjectClasses/Text.cpp b/Src/ssGUI/GUIObjectClasses/Text.cpp
@@ -1262,6 +1262,12 @@ namespace ssGUI
                 inputStatus.KeyInputBlockedObject = this;
             }
         }
+
+        //Handle event callbacks
+        if(IsEventCallbackExist(ssGUI::Enums::EventType::TEXT_CONTENT_CHANGED) && TextContentChanged)
+            GetEventCallback(ssGUI::Enums::EventType::TEXT_CONTENT_CHANGED)->Notify(this);
+
+        TextContentChanged = false;
     }
 
     const std::string Text::ListenerKey = "Text";
@@ -1293,7 +1299,8 @@ namespace ssGUI
                     DeselectWhenFocusLost(true),
                     SelectionColor(51, 153, 255, 255),
                     TextSelectedColor(255, 255, 255, 255),
-                    LastDefaultFontsID(0)
+                    LastDefaultFontsID(0),
+                    TextContentChanged(false)
     {
         SetBackgroundColor(glm::ivec4(255, 255, 255, 0));
         SetBlockInput(false);
@@ -1383,8 +1390,7 @@ namespace ssGUI
     {
         RecalculateTextNeeded = true;
 
-        CurrentCharactersDetails.Clear();
-        ProcessedCharacterDetails.clear();
+        ClearAllCharacterDetails();
         std::vector<ssGUI::CharacterDetails> newDetails;
         ConstructCharacterDetails(text, newDetails);
         AddCharacterDetails(newDetails);
@@ -1395,8 +1401,7 @@ namespace ssGUI
     {
         RecalculateTextNeeded = true;
 
-        CurrentCharactersDetails.Clear();
-        ProcessedCharacterDetails.clear();
+        ClearAllCharacterDetails();
         std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
         std::wstring currentText = converter.from_bytes(text);
         std::vector<ssGUI::CharacterDetails> newDetails;
@@ -1492,6 +1497,7 @@ namespace ssGUI
         CurrentCharactersDetails[index] = details;
 
         RecalculateTextNeeded = true;
+        TextContentChanged = true;
         RedrawObject();
     }
 
@@ -1516,13 +1522,15 @@ namespace ssGUI
         CurrentCharactersDetails.Add(details, index);
 
         RecalculateTextNeeded = true;
+        TextContentChanged = true;
         RedrawObject();
     }
 
     void Text::AddCharacterDetails(ssGUI::CharacterDetails details)
     {
         CurrentCharactersDetails.Add(details);
         RecalculateTextNeeded = true;
+        TextContentChanged = true;
         RedrawObject();
     }
 
@@ -1534,12 +1542,16 @@ namespace ssGUI
         CurrentCharactersDetails.Add(details, index);
 
         RecalculateTextNeeded = true;
+        TextContentChanged = true;
         RedrawObject();
     }
 
     void Text::AddCharacterDetails(std::vector<ssGUI::CharacterDetails>& details)
     {
         CurrentCharactersDetails.Add(details);
+        RecalculateTextNeeded = true;
+        TextContentChanged = true;
+        RedrawObject();
     }
 
     void Text::RemoveCharacterDetails(int index)
@@ -1549,6 +1561,7 @@ namespace ssGUI
 
         CurrentCharactersDetails.Remove(index);
         RecalculateTextNeeded = true;
+        TextContentChanged = true;
         RedrawObject();
     }
 
@@ -1562,13 +1575,15 @@ namespace ssGUI
 
         CurrentCharactersDetails.Remove(startIndex, exclusiveEndIndex);
         RecalculateTextNeeded = true;
+        TextContentChanged = true;
         RedrawObject();
     }
 
     void Text::ClearAllCharacterDetails()
     {
         CurrentCharactersDetails.Clear();
         RecalculateTextNeeded = true;
+        TextContentChanged = true;
         RedrawObject();
     }