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Replace OS IME (Input Method Editor) cursor on top-left when we are not text editing.

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This commit is contained in:
ocornut 2015-11-29 14:15:07 +00:00
parent 3aebddc4ac
commit 6269859315
2 changed files with 15 additions and 10 deletions
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20
imgui.cpp
View File

@ -1988,6 +1988,7 @@ void ImGui::NewFrame()
g.IO.WantTextInput = (g.ActiveId != 0 && g.InputTextState.Id == g.ActiveId); g.IO.WantTextInput = (g.ActiveId != 0 && g.InputTextState.Id == g.ActiveId);
g.MouseCursor = ImGuiMouseCursor_Arrow; g.MouseCursor = ImGuiMouseCursor_Arrow;
g.CaptureMouseNextFrame = g.CaptureKeyboardNextFrame = false; g.CaptureMouseNextFrame = g.CaptureKeyboardNextFrame = false;
g.OsImePosRequest = ImVec2(1.0f, 1.0f); // OS Input Method Editor showing on top-left of our window by default
// If mouse was first clicked outside of ImGui bounds we also cancel out hovering. // If mouse was first clicked outside of ImGui bounds we also cancel out hovering.
if (mouse_owned_by_application) if (mouse_owned_by_application)
@ -2336,6 +2337,13 @@ void ImGui::EndFrame()
ImGui::EndTooltip(); ImGui::EndTooltip();
} }
// Notify OS when our Input Method Editor cursor has moved (e.g. CJK inputs using Microsoft IME)
if (g.IO.ImeSetInputScreenPosFn && ImLengthSqr(g.OsImePosRequest - g.OsImePosSet) > 0.0001f)
{
g.IO.ImeSetInputScreenPosFn((int)g.OsImePosRequest.x, (int)g.OsImePosRequest.y);
g.OsImePosSet = g.OsImePosRequest;
}
// Hide implicit "Debug" window if it hasn't been used // Hide implicit "Debug" window if it hasn't been used
IM_ASSERT(g.CurrentWindowStack.Size == 1); // Mismatched Begin/End IM_ASSERT(g.CurrentWindowStack.Size == 1); // Mismatched Begin/End
if (g.CurrentWindow && !g.CurrentWindow->Accessed) if (g.CurrentWindow && !g.CurrentWindow->Accessed)
@ -2373,8 +2381,7 @@ void ImGui::EndFrame()
for (int i = 0; i != g.Windows.Size; i++) for (int i = 0; i != g.Windows.Size; i++)
{ {
ImGuiWindow* window = g.Windows[i]; ImGuiWindow* window = g.Windows[i];
if (window->Flags & ImGuiWindowFlags_ChildWindow) // if a child is active its parent will add it if (window->Active && (window->Flags & ImGuiWindowFlags_ChildWindow)) // if a child is active its parent will add it
if (window->Active)
continue; continue;
AddWindowToSortedBuffer(g.WindowsSortBuffer, window); AddWindowToSortedBuffer(g.WindowsSortBuffer, window);
} }
@ -7209,7 +7216,6 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
const char* buf_end = NULL; const char* buf_end = NULL;
edit_state.CurLenW = ImTextStrFromUtf8(edit_state.Text.Data, edit_state.Text.Size, buf, NULL, &buf_end); edit_state.CurLenW = ImTextStrFromUtf8(edit_state.Text.Data, edit_state.Text.Size, buf, NULL, &buf_end);
edit_state.CurLenA = (int)(buf_end - buf); // We can't get the result from ImFormatString() above because it is not UTF-8 aware. Here we'll cut off malformed UTF-8. edit_state.CurLenA = (int)(buf_end - buf); // We can't get the result from ImFormatString() above because it is not UTF-8 aware. Here we'll cut off malformed UTF-8.
edit_state.InputCursorScreenPos = ImVec2(-1.f, -1.f);
edit_state.CursorAnimReset(); edit_state.CursorAnimReset();
// Preserve cursor position and undo/redo stack if we come back to same widget // Preserve cursor position and undo/redo stack if we come back to same widget
@ -7628,11 +7634,9 @@ bool ImGui::InputTextEx(const char* label, char* buf, int buf_size, const ImVec2
if (cursor_is_visible) if (cursor_is_visible)
draw_window->DrawList->AddLine(cursor_screen_pos + ImVec2(0.0f,-g.FontSize+0.5f), cursor_screen_pos + ImVec2(0.0f,-1.5f), window->Color(ImGuiCol_Text)); draw_window->DrawList->AddLine(cursor_screen_pos + ImVec2(0.0f,-g.FontSize+0.5f), cursor_screen_pos + ImVec2(0.0f,-1.5f), window->Color(ImGuiCol_Text));
// Notify OS of text input position for advanced IME // Notify OS of text input position for advanced IME (-1 x offset so that Windows IME can cover our cursor. Bit of an extra nicety.)
if (is_editable && io.ImeSetInputScreenPosFn && ImLengthSqr(edit_state.InputCursorScreenPos - cursor_screen_pos) > 0.0001f) if (is_editable)
io.ImeSetInputScreenPosFn((int)cursor_screen_pos.x - 1, (int)(cursor_screen_pos.y - g.FontSize)); // -1 x offset so that Windows IME can cover our cursor. Bit of an extra nicety. g.OsImePosRequest = ImVec2(cursor_screen_pos.x - 1, cursor_screen_pos.y - g.FontSize);
edit_state.InputCursorScreenPos = cursor_screen_pos;
} }
else else
{ {

3
imgui_internal.h
View File

@ -294,7 +294,6 @@ struct IMGUI_API ImGuiTextEditState
ImGuiStb::STB_TexteditState StbState; ImGuiStb::STB_TexteditState StbState;
float CursorAnim; float CursorAnim;
bool CursorFollow; bool CursorFollow;
ImVec2 InputCursorScreenPos; // Cursor position in screen space to be used by IME callback.
bool SelectedAllMouseLock; bool SelectedAllMouseLock;
ImGuiTextEditState() { memset(this, 0, sizeof(*this)); } ImGuiTextEditState() { memset(this, 0, sizeof(*this)); }
@ -414,6 +413,7 @@ struct ImGuiState
ImVec2 ScrollbarClickDeltaToGrabCenter; // Distance between mouse and center of grab box, normalized in parent space. Use storage? ImVec2 ScrollbarClickDeltaToGrabCenter; // Distance between mouse and center of grab box, normalized in parent space. Use storage?
char Tooltip[1024]; char Tooltip[1024];
char* PrivateClipboard; // If no custom clipboard handler is defined char* PrivateClipboard; // If no custom clipboard handler is defined
ImVec2 OsImePosRequest, OsImePosSet; // Cursor position request & last passed to the OS Input Method Editor
// Logging // Logging
bool LogEnabled; bool LogEnabled;
@ -477,6 +477,7 @@ struct ImGuiState
ScrollbarClickDeltaToGrabCenter = ImVec2(0.0f, 0.0f); ScrollbarClickDeltaToGrabCenter = ImVec2(0.0f, 0.0f);
memset(Tooltip, 0, sizeof(Tooltip)); memset(Tooltip, 0, sizeof(Tooltip));
PrivateClipboard = NULL; PrivateClipboard = NULL;
OsImePosRequest = OsImePosSet = ImVec2(-1.0f, -1.0f);
ModalWindowDarkeningRatio = 0.0f; ModalWindowDarkeningRatio = 0.0f;
OverlayDrawList._OwnerName = "##Overlay"; // Give it a name for debugging OverlayDrawList._OwnerName = "##Overlay"; // Give it a name for debugging