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InputText: renamed namespace from stb_texture structure and added an indirection.

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This commit is contained in:
ocornut
2024-09-09 16:22:55 +02:00
parent a2366f9022
commit 21d03edcb0
2 changed files with 66 additions and 51 deletions
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imgui_internal.h
+15 -12
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@@ -216,6 +216,8 @@ namespace ImStb
} // namespace ImStb
typedef ImStb::STB_TexteditState ImStbTexteditState;
//-----------------------------------------------------------------------------
// [SECTION] Macros
//-----------------------------------------------------------------------------
@@ -1110,11 +1112,13 @@ struct IMGUI_API ImGuiInputTextDeactivatedState
ImGuiInputTextDeactivatedState() { memset(this, 0, sizeof(*this)); }
void ClearFreeMemory() { ID = 0; TextA.clear(); }
};
// Internal state of the currently focused/edited text input box
// For a given item ID, access with ImGui::GetInputTextState()
struct IMGUI_API ImGuiInputTextState
{
ImGuiContext* Ctx; // parent UI context (needs to be set explicitly by parent).
ImStbTexteditState* Stb; // State for stb_textedit.h
ImGuiID ID; // widget id owning the text state
int CurLenW, CurLenA; // we need to maintain our buffer length in both UTF-8 and wchar format. UTF-8 length is valid even if TextA is not.
ImVector<ImWchar> TextW; // edit buffer, we need to persist but can't guarantee the persistence of the user-provided buffer. so we copy into own buffer.
@@ -1123,7 +1127,7 @@ struct IMGUI_API ImGuiInputTextState
bool TextAIsValid; // temporary UTF8 buffer is not initially valid before we make the widget active (until then we pull the data from user argument)
int BufCapacityA; // end-user buffer capacity
ImVec2 Scroll; // horizontal offset (managed manually) + vertical scrolling (pulled from child window's own Scroll.y)
ImStb::STB_TexteditState Stb; // state for stb_textedit.h
float CursorAnim; // timer for cursor blink, reset on every user action so the cursor reappears immediately
bool CursorFollow; // set when we want scrolling to follow the current cursor position (not always!)
bool SelectedAllMouseLock; // after a double-click to select all, we ignore further mouse drags to update selection
@@ -1133,22 +1137,21 @@ struct IMGUI_API ImGuiInputTextState
int ReloadSelectionStart; // POSITIONS ARE IN IMWCHAR units *NOT* UTF-8 this is why this is not exposed yet.
int ReloadSelectionEnd;
ImGuiInputTextState() { memset(this, 0, sizeof(*this)); }
ImGuiInputTextState();
~ImGuiInputTextState();
void ClearText() { CurLenW = CurLenA = 0; TextW[0] = 0; TextA[0] = 0; CursorClamp(); }
void ClearFreeMemory() { TextW.clear(); TextA.clear(); InitialTextA.clear(); }
int GetUndoAvailCount() const { return Stb.undostate.undo_point; }
int GetRedoAvailCount() const { return IMSTB_TEXTEDIT_UNDOSTATECOUNT - Stb.undostate.redo_point; }
void OnKeyPressed(int key); // Cannot be inline because we call in code in stb_textedit.h implementation
// Cursor & Selection
void CursorAnimReset() { CursorAnim = -0.30f; } // After a user-input the cursor stays on for a while without blinking
void CursorClamp() { Stb.cursor = ImMin(Stb.cursor, CurLenW); Stb.select_start = ImMin(Stb.select_start, CurLenW); Stb.select_end = ImMin(Stb.select_end, CurLenW); }
bool HasSelection() const { return Stb.select_start != Stb.select_end; }
void ClearSelection() { Stb.select_start = Stb.select_end = Stb.cursor; }
int GetCursorPos() const { return Stb.cursor; }
int GetSelectionStart() const { return Stb.select_start; }
int GetSelectionEnd() const { return Stb.select_end; }
void SelectAll() { Stb.select_start = 0; Stb.cursor = Stb.select_end = CurLenW; Stb.has_preferred_x = 0; }
void CursorClamp() { Stb->cursor = ImMin(Stb->cursor, CurLenW); Stb->select_start = ImMin(Stb->select_start, CurLenW); Stb->select_end = ImMin(Stb->select_end, CurLenW); }
bool HasSelection() const { return Stb->select_start != Stb->select_end; }
void ClearSelection() { Stb->select_start = Stb->select_end = Stb->cursor; }
int GetCursorPos() const { return Stb->cursor; }
int GetSelectionStart() const { return Stb->select_start; }
int GetSelectionEnd() const { return Stb->select_end; }
void SelectAll() { Stb->select_start = 0; Stb->cursor = Stb->select_end = CurLenW; Stb->has_preferred_x = 0; }
// Reload user buf (WIP #2890)
// If you modify underlying user-passed const char* while active you need to call this (InputText V2 may lift this)
@@ -1156,7 +1159,7 @@ struct IMGUI_API ImGuiInputTextState
// if (ImGuiInputTextState* state = ImGui::GetInputTextState(id)) // id may be ImGui::GetItemID() is last item
// state->ReloadUserBufAndSelectAll();
void ReloadUserBufAndSelectAll() { ReloadUserBuf = true; ReloadSelectionStart = 0; ReloadSelectionEnd = INT_MAX; }
void ReloadUserBufAndKeepSelection() { ReloadUserBuf = true; ReloadSelectionStart = Stb.select_start; ReloadSelectionEnd = Stb.select_end; }
void ReloadUserBufAndKeepSelection() { ReloadUserBuf = true; ReloadSelectionStart = Stb->select_start; ReloadSelectionEnd = Stb->select_end; }
void ReloadUserBufAndMoveToEnd() { ReloadUserBuf = true; ReloadSelectionStart = ReloadSelectionEnd = INT_MAX; }
};