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InputText() removed the odd ~ characters when clipping. Tweaks and fixes of clipping.

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This commit is contained in:
ocornut 2015-03-19 16:04:22 +00:00
parent 6e5130ddf4
commit 693bd56db2
1 changed files with 23 additions and 27 deletions
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50
imgui.cpp
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@ -5562,9 +5562,9 @@ void ImGuiTextEditState::UpdateScrollOffset()
// Scroll in chunks of quarter width
const float scroll_x_increment = Width * 0.25f;
const float cursor_offset_x = Font->CalcTextSizeW(FontSize, FLT_MAX, Text, Text+StbState.cursor, NULL).x;
if (ScrollX > cursor_offset_x)
if (cursor_offset_x < ScrollX)
ScrollX = ImMax(0.0f, cursor_offset_x - scroll_x_increment);
else if (ScrollX < cursor_offset_x - Width)
else if (cursor_offset_x - Width >= ScrollX)
ScrollX = cursor_offset_x - Width + scroll_x_increment;
}
@ -5574,7 +5574,7 @@ ImVec2 ImGuiTextEditState::CalcDisplayOffsetFromCharIdx(int i) const
const ImWchar* text_end = (Text+i >= text_start) ? Text+i : text_start; // Clip if requested character is outside of display
IM_ASSERT(text_end >= text_start);
const ImVec2 offset = Font->CalcTextSizeW(FontSize, Width, text_start, text_end, NULL);
const ImVec2 offset = Font->CalcTextSizeW(FontSize, Width+1, text_start, text_end, NULL);
return offset;
}
@ -5607,30 +5607,19 @@ const ImWchar* ImGuiTextEditState::GetTextPointerClippedW(ImFont* font, float fo
// [Static]
void ImGuiTextEditState::RenderTextScrolledClipped(ImFont* font, float font_size, const char* buf, ImVec2 pos, float width, float scroll_x)
{
// NB- We start drawing at character boundary
ImVec2 text_size;
const char* text_start = GetTextPointerClippedA(font, font_size, buf, scroll_x, NULL);
const char* text_end = GetTextPointerClippedA(font, font_size, text_start, width, &text_size);
ImGuiWindow* window = GetCurrentWindow();
const ImU32 font_color = window->Color(ImGuiCol_Text);
//window->DrawList->AddLine(pos, pos+ImVec2(width,0), 0xFF00FFFF);
// We need to test for the possibility of malformed UTF-8 (instead of just text_end[0] != 0)
unsigned int text_end_char = 0;
ImTextCharFromUtf8(&text_end_char, text_end, NULL);
// Determine start and end of visible string
// FIXME-OPT: This is pretty slow for what it does.
const char* text_start = scroll_x <= 0.0f ? buf : GetTextPointerClippedA(font, font_size, buf, scroll_x, NULL);
const char* text_end = GetTextPointerClippedA(font, font_size, text_start, width + 1, NULL); // +1 to allow character spacing to fit outside the allowed width
window->DrawList->AddText(font, font_size, pos, font_color, text_start, text_end);
// Draw a little clip symbol if we've got text on either left or right of the box
const char symbol_c = '~';
const float symbol_w = font_size*0.40f; // FIXME: compute correct width
const float clip_begin = (text_start > buf && text_start < text_end) ? symbol_w : 0.0f;
const float clip_end = (text_end_char != 0 && text_end > text_start) ? symbol_w : 0.0f;
// Draw text
RenderText(pos+ImVec2(clip_begin,0), text_start+(clip_begin>0.0f?1:0), text_end-(clip_end>0.0f?1:0), false);
// Draw the clip symbol
const char s[2] = {symbol_c,'\0'};
if (clip_begin > 0.0f)
RenderText(pos, s);
if (clip_end > 0.0f)
RenderText(pos+ImVec2(width-clip_end,0.0f), s);
// Log as text
if (GImGui->LogEnabled)
LogText(pos, buf, NULL);
}
bool ImGui::InputFloat(const char* label, float *v, float step, float step_fast, int decimal_precision, ImGuiInputTextFlags extra_flags)
@ -5840,7 +5829,7 @@ bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputT
const char* buf_end = NULL;
edit_state.CurLenW = ImTextStrFromUtf8(edit_state.Text, IM_ARRAYSIZE(edit_state.Text), buf, NULL, &buf_end);
edit_state.CurLenA = 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.Width = w;
edit_state.Width = w + style.FramePadding.x;
edit_state.InputCursorScreenPos = ImVec2(-1.f,-1.f);
edit_state.CursorAnimReset();
@ -6094,7 +6083,7 @@ bool ImGui::InputText(const char* label, char* buf, size_t buf_size, ImGuiInputT
}
}
ImGuiTextEditState::RenderTextScrolledClipped(window->Font(), window->FontSize(), buf, frame_bb.Min + style.FramePadding, w, (g.ActiveId == id) ? edit_state.ScrollX : 0.0f);
ImGuiTextEditState::RenderTextScrolledClipped(window->Font(), window->FontSize(), buf, frame_bb.Min + style.FramePadding, w + style.FramePadding.x, (g.ActiveId == id) ? edit_state.ScrollX : 0.0f);
if (g.ActiveId == id)
{
@ -8430,6 +8419,7 @@ ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, cons
}
// Decode and advance source (handle unlikely UTF-8 decoding failure by skipping to the next byte)
const char* prev_s = s;
unsigned int c = (unsigned int)*s;
if (c < 0x80)
{
@ -8452,7 +8442,10 @@ ImVec2 ImFont::CalcTextSizeA(float size, float max_width, float wrap_width, cons
const float char_width = ((size_t)c < IndexXAdvance.size()) ? IndexXAdvance[(size_t)c] * scale : FallbackXAdvance;
if (line_width + char_width >= max_width)
{
s = prev_s;
break;
}
line_width += char_width;
}
@ -8496,7 +8489,10 @@ ImVec2 ImFont::CalcTextSizeW(float size, float max_width, const ImWchar* text_be
const float char_width = ((size_t)c < IndexXAdvance.size()) ? IndexXAdvance[(size_t)c] * scale : FallbackXAdvance;
if (line_width + char_width >= max_width)
{
s--;
break;
}
line_width += char_width;
}