Refactor ImGuiInputTextData into an inner ImString class and rename to InputData

Author: SpaiR

imgui-binding/src/main/java/imgui/ImGui.java

@@ -4,7 +4,6 @@
 import imgui.type.ImBool;
 import imgui.type.ImDouble;
 import imgui.type.ImFloat;
-import imgui.type.ImGuiInputTextData;
 import imgui.type.ImInt;
 import imgui.type.ImLong;
 import imgui.type.ImShort;
@@ -2639,9 +2638,9 @@ public static boolean vSliderScalar(String label, float sizeX, float sizeY, int
     /*JNI
         jmethodID jImStringResizeInternalMID;
 
-        jfieldID imTextInputDataSizeID;
-        jfieldID imTextInputDataIsDirtyID;
-        jfieldID imTextInputDataIsResizedID;
+        jfieldID inputDataSizeID;
+        jfieldID inputDataIsDirtyID;
+        jfieldID inputDataIsResizedID;
 
         struct InputTextCallbackUserData {
             JNIEnv* env;
@@ -2688,12 +2687,12 @@ static int TextEditCallbackStub(ImGuiInputTextCallbackData* data) {
     */
 
     private static native void nInitInputTextData(); /*
-        jclass jImInputTextDataClass = env->FindClass("imgui/ImGuiInputTextData");
-        imTextInputDataSizeID = env->GetFieldID(jImInputTextDataClass, "size", "I");
-        imTextInputDataIsDirtyID = env->GetFieldID(jImInputTextDataClass, "isDirty", "Z");
-        imTextInputDataIsResizedID = env->GetFieldID(jImInputTextDataClass, "isResized", "Z");
+        jclass jInputDataClass = env->FindClass("imgui/type/ImString$InputData");
+        inputDataSizeID = env->GetFieldID(jInputDataClass, "size", "I");
+        inputDataIsDirtyID = env->GetFieldID(jInputDataClass, "isDirty", "Z");
+        inputDataIsResizedID = env->GetFieldID(jInputDataClass, "isResized", "Z");
 
-        jclass jImString = env->FindClass("imgui/ImString");
+        jclass jImString = env->FindClass("imgui/type/ImString");
         jImStringResizeInternalMID = env->GetMethodID(jImString, "resizeInternal", "(I)[B");
     */
 
@@ -2722,7 +2721,7 @@ public static boolean inputTextMultiline(String label, ImString text, float widt
     }
 
     private static boolean preInputText(boolean multiline, String label, ImString text, float width, float height, int flags) {
-        final ImGuiInputTextData inputData = text.inputData;
+        final ImString.InputData inputData = text.inputData;
 
         if (inputData.isResizable) {
             flags |= ImGuiInputTextFlags.CallbackResize;
@@ -2735,7 +2734,7 @@ private static boolean preInputText(boolean multiline, String label, ImString te
         return nInputText(multiline, label, text, text.getData(), text.getData().length, width, height, flags, inputData, inputData.allowedChars);
     }
 
-    private static native boolean nInputText(boolean multiline, String label, ImString imString, byte[] buf, int maxSize, float width, float height, int flags, ImGuiInputTextData textInputData, String allowedChars); /*
+    private static native boolean nInputText(boolean multiline, String label, ImString imString, byte[] buf, int maxSize, float width, float height, int flags, ImString.InputData textInputData, String allowedChars); /*
         InputTextCallbackUserData userData;
         userData.imString = &imString;
         userData.maxSize = maxSize;
@@ -2763,8 +2762,8 @@ private static boolean preInputText(boolean multiline, String label, ImString te
                 size = strlen(buf);
             }
 
-            env->SetIntField(textInputData, imTextInputDataSizeID, size);
-            env->SetBooleanField(textInputData, imTextInputDataIsDirtyID, true);
+            env->SetIntField(textInputData, inputDataSizeID, size);
+            env->SetBooleanField(textInputData, inputDataIsDirtyID, true);
         }
 
         return valueChanged;

imgui-binding/src/main/java/imgui/type/ImGuiInputTextData.java

@@ -20,7 +20,7 @@ public final class ImString implements Cloneable {
      * Configuration class to setup some specific behaviour for current string.
      * This is useful when string used inside of ImGui#InputText*() methods.
      */
-    public final ImGuiInputTextData inputData = new ImGuiInputTextData();
+    public final InputData inputData = new InputData();
 
     private byte[] data;
     private String text = "";
@@ -169,4 +169,37 @@ public int hashCode() {
     public ImString clone() {
         return new ImString(this);
     }
+
+    /**
+     * Use this class to customize your ImGui input.
+     */
+    public static final class InputData {
+        private static final short DEFAULT_RESIZE_FACTOR = 10;
+
+        /**
+         * If not empty, then other chars which are different from provided will be filtered during the {@link imgui.ImGui#inputText}
+         * and {@link imgui.ImGui#inputTextMultiline} methods.
+         */
+        public String allowedChars = "";
+
+        /**
+         * If true, then string will be resized during the the {@link imgui.ImGui#inputText} and {@link imgui.ImGui#inputTextMultiline} methods.
+         * Alternatively you can provide {@link imgui.flag.ImGuiInputTextFlags#CallbackResize} flag to the input text widgets to enable string resizing.
+         * Resize factor of the string could be modified by changing {@link #resizeFactor} field.
+         */
+        public boolean isResizable;
+
+        /**
+         * String will be resized to the value equal to a new size plus this resize factor.
+         * Default value is 10.
+         */
+        public int resizeFactor = DEFAULT_RESIZE_FACTOR;
+
+        int size;
+        boolean isDirty;
+        boolean isResized = false;
+
+        private InputData() {
+        }
+    }
 }