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InputText: Simplify read-only code path.

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This commit is contained in:
omar 2019-03-25 15:50:23 +01:00
parent d9f6ba3035
commit abb7d7b18a
1 changed files with 13 additions and 17 deletions
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30
imgui_widgets.cpp
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@ -3343,28 +3343,24 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
if (g.ActiveId == id && io.MouseClicked[0] && !init_state && !init_make_active) //-V560
clear_active_id = true;
// When read-only we always use the live data passed to the function
// FIXME-OPT: Because our selection/cursor code currently needs the wide text we need to convert it when active, which is not ideal :(
if (is_readonly && state != NULL)
{
const bool will_render_cursor = (g.ActiveId == id) || (user_scroll_active);
const bool will_render_selection = state->HasSelection() && (RENDER_SELECTION_WHEN_INACTIVE || will_render_cursor);
if (will_render_cursor || will_render_selection)
{
const char* buf_end = NULL;
state->TextW.resize(buf_size + 1);
state->CurLenW = ImTextStrFromUtf8(state->TextW.Data, state->TextW.Size, buf, NULL, &buf_end);
state->CurLenA = (int)(buf_end - buf);
state->CursorClamp();
}
}
// Lock the decision of whether we are going to take the path displaying the cursor or selection
const bool render_cursor = (g.ActiveId == id) || (state && user_scroll_active);
const bool render_selection = state && state->HasSelection() && (RENDER_SELECTION_WHEN_INACTIVE || render_cursor);
bool render_selection = state && state->HasSelection() && (RENDER_SELECTION_WHEN_INACTIVE || render_cursor);
bool value_changed = false;
bool enter_pressed = false;
// When read-only we always use the live data passed to the function
// FIXME-OPT: Because our selection/cursor code currently needs the wide text we need to convert it when active, which is not ideal :(
if (is_readonly && state != NULL && (render_cursor || render_selection))
{
const char* buf_end = NULL;
state->TextW.resize(buf_size + 1);
state->CurLenW = ImTextStrFromUtf8(state->TextW.Data, state->TextW.Size, buf, NULL, &buf_end);
state->CurLenA = (int)(buf_end - buf);
state->CursorClamp();
render_selection &= state->HasSelection();
}
// Select the buffer to render.
const bool buf_display_from_state = (render_cursor || render_selection || g.ActiveId == id) && !is_readonly && state && state->TextAIsValid;
const bool is_displaying_hint = (hint != NULL && (buf_display_from_state ? state->TextA.Data : buf)[0] == 0);