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InputTextWithHint: Fix for Password fields. Update changelog, demo. (#2400)

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This commit is contained in:
omar
2019-03-06 17:33:24 +01:00
parent ab80ee6453
commit c779fbb651
3 changed files with 30 additions and 38 deletions
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60
imgui_widgets.cpp
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@ -2904,7 +2904,8 @@ bool ImGui::InputTextMultiline(const char* label, char* buf, size_t buf_size, co
bool ImGui::InputTextWithHint(const char* label, const char* hint, char* buf, size_t buf_size, ImGuiInputTextFlags flags, ImGuiInputTextCallback callback, void* user_data)
{
return InputTextEx(label, hint, buf, (int)buf_size, ImVec2(0,0), flags, callback, user_data);
IM_ASSERT(!(flags & ImGuiInputTextFlags_Multiline)); // call InputTextMultiline()
return InputTextEx(label, hint, buf, (int)buf_size, ImVec2(0, 0), flags, callback, user_data);
}
static int InputTextCalcTextLenAndLineCount(const char* text_begin, const char** out_text_end)
@ -3364,8 +3365,18 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
bool value_changed = false;
bool enter_pressed = false;
// Select the buffer to render.
const char* buf_display = ((render_cursor || render_selection || g.ActiveId == id) && !is_readonly && state->TextAIsValid) ? state->TextA.Data : buf;
const char* buf_display_end = NULL; // We have specialized paths below for setting the length
const bool is_displaying_hint = (hint != NULL && buf_display[0] == 0);
if (is_displaying_hint)
{
buf_display = hint;
buf_display_end = hint + strlen(hint);
}
// Password pushes a temporary font with only a fallback glyph
if (is_password)
if (is_password && !is_displaying_hint)
{
const ImFontGlyph* glyph = g.Font->FindGlyph('*');
ImFont* password_font = &g.InputTextPasswordFont;
@ -3729,14 +3740,14 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
// without any carriage return, which would makes ImFont::RenderText() reserve too many vertices and probably crash. Avoid it altogether.
// Note that we only use this limit on single-line InputText(), so a pathologically large line on a InputTextMultiline() would still crash.
const int buf_display_max_length = 2 * 1024 * 1024;
const char* buf_display = NULL;
const char* buf_display_end = NULL;
ImGuiCol text_color = ImGuiCol_COUNT;
// Render text. We currently only render selection when the widget is active or while scrolling.
// FIXME: We could remove the '&& render_cursor' to keep rendering selection when inactive.
if (render_cursor || render_selection)
{
if (!is_displaying_hint)
buf_display_end = buf_display + state->CurLenA;
// Render text (with cursor and selection)
// This is going to be messy. We need to:
// - Display the text (this alone can be more easily clipped)
@ -3868,25 +3879,11 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
}
}
if (state->CurLenA != 0 || hint == NULL)
{
buf_display = (!is_readonly && state->TextAIsValid) ? state->TextA.Data : buf;
buf_display_end = buf_display + state->CurLenA;
text_color = ImGuiCol_Text;
}
else
{
buf_display = hint;
buf_display_end = hint + strlen(hint);
text_color = ImGuiCol_TextDisabled;
}
// We test for 'buf_display_max_length' as a way to avoid some pathological cases (e.g. single-line 1 MB string) which would make ImDrawList crash.
if (is_multiline || (buf_display_end - buf_display) < buf_display_max_length)
{
IM_ASSERT(text_color != ImGuiCol_COUNT);
draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos - draw_scroll, GetColorU32(text_color), buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
ImU32 col = GetColorU32(is_displaying_hint ? ImGuiCol_TextDisabled : ImGuiCol_Text);
draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos - draw_scroll, col, buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
}
// Draw blinking cursor
@ -3907,26 +3904,17 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
else
{
// Render text only (no selection, no cursor)
text_color = ImGuiCol_Text;
buf_display = (g.ActiveId == id && !is_readonly && state->TextAIsValid) ? state->TextA.Data : buf;
if (is_multiline)
text_size = ImVec2(size.x, InputTextCalcTextLenAndLineCount(buf_display, &buf_display_end) * g.FontSize); // We don't need width
else if (g.ActiveId == id)
else if (!is_displaying_hint && g.ActiveId == id)
buf_display_end = buf_display + state->CurLenA;
else
else if (!is_displaying_hint)
buf_display_end = buf_display + strlen(buf_display);
if (buf_display_end == buf_display && hint != NULL)
{
buf_display = hint;
buf_display_end = buf_display + strlen(buf_display);
text_color = ImGuiCol_TextDisabled;
}
if (is_multiline || (buf_display_end - buf_display) < buf_display_max_length)
{
IM_ASSERT(text_color != ImGuiCol_COUNT);
draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos, GetColorU32(text_color), buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
ImU32 col = GetColorU32(is_displaying_hint ? ImGuiCol_TextDisabled : ImGuiCol_Text);
draw_window->DrawList->AddText(g.Font, g.FontSize, draw_pos, col, buf_display, buf_display_end, 0.0f, is_multiline ? NULL : &clip_rect);
}
}
@ -3937,11 +3925,11 @@ bool ImGui::InputTextEx(const char* label, const char* hint, char* buf, int buf_
EndGroup();
}
if (is_password)
if (is_password && !is_displaying_hint)
PopFont();
// Log as text
if (g.LogEnabled && !is_password)
if (g.LogEnabled && !(is_password && !is_displaying_hint))
LogRenderedText(&draw_pos, buf_display, buf_display_end);
if (label_size.x > 0)