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[API] Added callback binding for InputText (#156)
* Added callback binding for InputText * Add JavaDoc * Change * Add Javadoc * Fix Import * Teaks and improvements - Extended example; - Added input text callback ImGuiInputTextFlags#CallbackEdit; - Minor code improvements. --------- Co-authored-by: SpaiR <klimbetoo@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| import imgui.ImGui; | ||
| import imgui.ImGuiInputTextCallbackData; | ||
| import imgui.callback.ImGuiInputTextCallback; | ||
| import imgui.flag.ImGuiCond; | ||
| import imgui.flag.ImGuiInputTextFlags; | ||
| import imgui.type.ImBoolean; | ||
| import imgui.type.ImString; | ||
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| import java.time.LocalDateTime; | ||
| import java.time.format.DateTimeFormatter; | ||
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| public class ExampleInputTextCallback { | ||
| private static final ImString STR = new ImString(); | ||
| private static final StringBuilder OUTPUT = new StringBuilder(); | ||
| private static final DateTimeFormatter DATE_FORMAT = DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm:ss"); | ||
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| private static final ImGuiInputTextCallback CALLBACK = new ImGuiInputTextCallback() { | ||
| @Override | ||
| public void accept(final ImGuiInputTextCallbackData data) { | ||
| final char c = (char) data.getEventChar(); | ||
| if (c == 'h' || c == 'H') { | ||
| data.setEventChar('!'); | ||
| OUTPUT.append(DATE_FORMAT.format(LocalDateTime.now())).append(" :: Replaced!\n"); | ||
| } else if (c == 'w' || c == 'W') { | ||
| data.setEventChar(0); | ||
| OUTPUT.append(DATE_FORMAT.format(LocalDateTime.now())).append(" :: Discarded!\n"); | ||
| } else { | ||
| OUTPUT.append(DATE_FORMAT.format(LocalDateTime.now())).append(" :: Typed: ").append(c).append('\n'); | ||
| } | ||
| } | ||
| }; | ||
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| public static void show(final ImBoolean showInputTextCallback) { | ||
| ImGui.setNextWindowSize(400, 300, ImGuiCond.Once); | ||
| if (ImGui.begin("Input Text Callback Demo", showInputTextCallback)) { | ||
| ImGui.alignTextToFramePadding(); | ||
| ImGui.text("Try to input \"Hello World!\":"); | ||
| ImGui.sameLine(); | ||
| ImGui.inputText("##input", STR, ImGuiInputTextFlags.CallbackCharFilter, CALLBACK); | ||
| ImGui.text(OUTPUT.toString()); | ||
| } | ||
| ImGui.end(); | ||
| } | ||
| } |
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182 changes: 182 additions & 0 deletions
182
imgui-binding/src/main/java/imgui/ImGuiInputTextCallbackData.java
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|---|---|---|
| @@ -0,0 +1,182 @@ | ||
| package imgui; | ||
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| import imgui.binding.ImGuiStruct; | ||
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| /** | ||
| * Shared state of InputText(), passed as an argument to your callback when a ImGuiInputTextFlags_Callback* flag is used.<p> | ||
| * The callback function should return 0 by default.<p> | ||
| * Callbacks (follow a flag name and see comments in ImGuiInputTextFlags_ declarations for more details)<p> | ||
| * - ImGuiInputTextFlags_CallbackEdit: Callback on buffer edit (note that InputText() already returns true on edit, the callback is useful mainly to manipulate the underlying buffer while focus is active)<p> | ||
| * - ImGuiInputTextFlags_CallbackAlways: Callback on each iteration<p> | ||
| * - ImGuiInputTextFlags_CallbackCompletion: Callback on pressing TAB<p> | ||
| * - ImGuiInputTextFlags_CallbackHistory: Callback on pressing Up/Down arrows<p> | ||
| * - ImGuiInputTextFlags_CallbackCharFilter: Callback on character inputs to replace or discard them. Modify 'EventChar' to replace or discard, or return 1 in callback to discard.<p> | ||
| * - ImGuiInputTextFlags_CallbackResize: Callback on buffer capacity changes request (beyond 'buf_size' parameter value), allowing the string to grow.<p> | ||
| */ | ||
| public class ImGuiInputTextCallbackData extends ImGuiStruct { | ||
| public ImGuiInputTextCallbackData(final long ptr) { | ||
| super(ptr); | ||
| } | ||
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| /*JNI | ||
| #include "_common.h" | ||
| #define IMGUI_CALLBACK_DATA ((ImGuiInputTextCallbackData*)STRUCT_PTR) | ||
| */ | ||
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| /** | ||
| * One ImGuiInputTextFlags_Callback* | ||
| * | ||
| * @return ImGuiInputTextFlags | ||
| */ | ||
| public native int getEventFlag(); /* | ||
| return IMGUI_CALLBACK_DATA->EventFlag; | ||
| */ | ||
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| /** | ||
| * What user passed to InputText() | ||
| * | ||
| * @return ImGuiInputTextFlags | ||
| */ | ||
| public native int getFlags(); /* | ||
| return IMGUI_CALLBACK_DATA->Flags; | ||
| */ | ||
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| /** | ||
| * [CharFilter] Character input; | ||
| * | ||
| * @return Character input | ||
| */ | ||
| public native int getEventChar(); /* | ||
| return IMGUI_CALLBACK_DATA->EventChar; | ||
| */ | ||
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| /** | ||
| * [CharFilter] Replace character with another one, or set to zero to drop. return 1 is equivalent to setting EventChar=0; | ||
| * | ||
| * @param c Replaced characters | ||
| */ | ||
| public void setEventChar(final char c) { | ||
| setEventChar((int) c); | ||
| } | ||
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| /** | ||
| * [CharFilter] Replace character with another one, or set to zero to drop. return 1 is equivalent to setting EventChar=0; | ||
| * | ||
| * @param c Replaced characters | ||
| */ | ||
| public native void setEventChar(int c); /* | ||
| IMGUI_CALLBACK_DATA->EventChar = c; | ||
| */ | ||
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| /** | ||
| * [Completion,History] | ||
| * | ||
| * @return Key pressed (Up/Down/TAB) | ||
| */ | ||
| public native int getEventKey(); /* | ||
| return IMGUI_CALLBACK_DATA->EventKey; | ||
| */ | ||
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| /** | ||
| * [Resize] Can replace pointer <p> | ||
| * [Completion,History,Always] Only write to pointed data, don't replace the actual pointer! | ||
| * | ||
| * @return Buf | ||
| */ | ||
| public native String getBuf(); /* | ||
| return env->NewStringUTF(IMGUI_CALLBACK_DATA->Buf); | ||
| */ | ||
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| /** | ||
| * Set if you modify Buf/BufTextLen! | ||
| * | ||
| * @return Dirty | ||
| */ | ||
| public native boolean getBufDirty(); /* | ||
| return IMGUI_CALLBACK_DATA->BufDirty; | ||
| */ | ||
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| /** | ||
| * Set if you modify Buf/BufTextLen! | ||
| * | ||
| * @param dirty Dirty | ||
| */ | ||
| public native void setBufDirty(boolean dirty); /* | ||
| IMGUI_CALLBACK_DATA->BufDirty = dirty; | ||
| */ | ||
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| /** | ||
| * Current cursor position | ||
| * | ||
| * @return Current cursor position | ||
| */ | ||
| public native int getCursorPos(); /* | ||
| return IMGUI_CALLBACK_DATA->CursorPos; | ||
| */ | ||
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| /** | ||
| * Set the current cursor position | ||
| * | ||
| * @param pos Set the current cursor position | ||
| */ | ||
| public native void setCursorPos(int pos); /* | ||
| IMGUI_CALLBACK_DATA->CursorPos = pos; | ||
| */ | ||
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| /** | ||
| * Selection Start | ||
| * | ||
| * @return Selection Start | ||
| */ | ||
| public native int getSelectionStart(); /* | ||
| return IMGUI_CALLBACK_DATA->SelectionStart; | ||
| */ | ||
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| /** | ||
| * Set Selection Start | ||
| * | ||
| * @param pos Selection Start | ||
| */ | ||
| public native void setSelectionStart(int pos); /* | ||
| IMGUI_CALLBACK_DATA->SelectionStart = pos; | ||
| */ | ||
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| /** | ||
| * Selection End | ||
| * | ||
| * @return Selection End | ||
| */ | ||
| public native int getSelectionEnd(); /* | ||
| return IMGUI_CALLBACK_DATA->SelectionEnd; | ||
| */ | ||
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| /** | ||
| * Set Selection End | ||
| * | ||
| * @param pos Selection End | ||
| */ | ||
| public native void setSelectionEnd(int pos); /* | ||
| IMGUI_CALLBACK_DATA->SelectionEnd = pos; | ||
| */ | ||
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| /** | ||
| * Delete Chars | ||
| * | ||
| * @param pos Start Delete Pos | ||
| * @param bytesCount Delete Char Count | ||
| */ | ||
| public native void deleteChars(int pos, int bytesCount); /* | ||
| IMGUI_CALLBACK_DATA->DeleteChars(pos, bytesCount); | ||
| */ | ||
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| /** | ||
| * Insert Chars | ||
| * | ||
| * @param pos insert Psos | ||
| * @param str insert String | ||
| */ | ||
| public native void insertChars(int pos, String str); /* | ||
| IMGUI_CALLBACK_DATA->InsertChars(pos, str); | ||
| */ | ||
| } |
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