private igAlignFirstTextHeightToWidgets ( ) : void | ||
Результат | void |
public static void AlignFirstTextHeightToWidgets() { ImGuiNative.igAlignFirstTextHeightToWidgets(); }
public unsafe void Draw(string title, byte[] mem_data, int mem_size, int base_display_addr = 0) { if (!ImGui.BeginWindow(title)) { ImGui.EndWindow(); return; } float line_height = ImGuiNative.igGetTextLineHeight(); int line_total_count = (mem_size + Rows - 1) / Rows; ImGuiNative.igSetNextWindowContentSize(new Vector2(0.0f, line_total_count * line_height)); ImGui.BeginChild("##scrolling", new Vector2(0, -ImGuiNative.igGetItemsLineHeightWithSpacing()), false, 0); ImGui.PushStyleVar(StyleVar.FramePadding, new Vector2(0, 0)); ImGui.PushStyleVar(StyleVar.ItemSpacing, new Vector2(0, 0)); int addr_digits_count = 0; for (int n = base_display_addr + mem_size - 1; n > 0; n >>= 4) { addr_digits_count++; } float glyph_width = ImGui.GetTextSize("F").X; float cell_width = glyph_width * 3; // "FF " we include trailing space in the width to easily catch clicks everywhere var clipper = new ImGuiListClipper(line_total_count, line_height); int visible_start_addr = clipper.DisplayStart * Rows; int visible_end_addr = clipper.DisplayEnd * Rows; bool data_next = false; if (!AllowEdits || DataEditingAddr >= mem_size) { DataEditingAddr = -1; } int data_editing_addr_backup = DataEditingAddr; if (DataEditingAddr != -1) { if (ImGui.IsKeyPressed(ImGui.GetKeyIndex(GuiKey.UpArrow)) && DataEditingAddr >= Rows) { DataEditingAddr -= Rows; DataEditingTakeFocus = true; } else if (ImGui.IsKeyPressed(ImGui.GetKeyIndex(GuiKey.DownArrow)) && DataEditingAddr < mem_size - Rows) { DataEditingAddr += Rows; DataEditingTakeFocus = true; } else if (ImGui.IsKeyPressed(ImGui.GetKeyIndex(GuiKey.LeftArrow)) && DataEditingAddr > 0) { DataEditingAddr -= 1; DataEditingTakeFocus = true; } else if (ImGui.IsKeyPressed(ImGui.GetKeyIndex(GuiKey.RightArrow)) && DataEditingAddr < mem_size - 1) { DataEditingAddr += 1; DataEditingTakeFocus = true; } } if ((DataEditingAddr / Rows) != (data_editing_addr_backup / Rows)) { // Track cursor movements float scroll_offset = ((DataEditingAddr / Rows) - (data_editing_addr_backup / Rows)) * line_height; bool scroll_desired = (scroll_offset < 0.0f && DataEditingAddr < visible_start_addr + Rows * 2) || (scroll_offset > 0.0f && DataEditingAddr > visible_end_addr - Rows * 2); if (scroll_desired) { ImGuiNative.igSetScrollY(ImGuiNative.igGetScrollY() + scroll_offset); } } for (int line_i = clipper.DisplayStart; line_i < clipper.DisplayEnd; line_i++) // display only visible items { int addr = line_i * Rows; ImGui.Text(FixedHex(base_display_addr + addr, addr_digits_count) + ": "); ImGui.SameLine(); // Draw Hexadecimal float line_start_x = ImGuiNative.igGetCursorPosX(); for (int n = 0; n < Rows && addr < mem_size; n++, addr++) { ImGui.SameLine(line_start_x + cell_width * n); if (DataEditingAddr == addr) { // Display text input on current byte ImGui.PushID(addr); // FIXME: We should have a way to retrieve the text edit cursor position more easily in the API, this is rather tedious. TextEditCallback callback = (data) => { int *p_cursor_pos = (int *)data->UserData; if (!data->HasSelection()) { *p_cursor_pos = data->CursorPos; } return(0); }; int cursor_pos = -1; bool data_write = false; if (DataEditingTakeFocus) { ImGui.SetKeyboardFocusHere(); ReplaceChars(DataInput, FixedHex(mem_data[addr], 2)); ReplaceChars(AddrInput, FixedHex(base_display_addr + addr, addr_digits_count)); } ImGui.PushItemWidth(ImGui.GetTextSize("FF").X); var flags = InputTextFlags.CharsHexadecimal | InputTextFlags.EnterReturnsTrue | InputTextFlags.AutoSelectAll | InputTextFlags.NoHorizontalScroll | InputTextFlags.AlwaysInsertMode | InputTextFlags.CallbackAlways; if (ImGui.InputText("##data", DataInput, 32, flags, callback, new IntPtr(&cursor_pos))) { data_write = data_next = true; } else if (!DataEditingTakeFocus && !ImGui.IsLastItemActive()) { DataEditingAddr = -1; } DataEditingTakeFocus = false; ImGui.PopItemWidth(); if (cursor_pos >= 2) { data_write = data_next = true; } if (data_write) { int data; if (TryHexParse(DataInput, out data)) { mem_data[addr] = (byte)data; } } ImGui.PopID(); } else { ImGui.Text(FixedHex(mem_data[addr], 2)); if (AllowEdits && ImGui.IsLastItemHovered() && ImGui.IsMouseClicked(0)) { DataEditingTakeFocus = true; DataEditingAddr = addr; } } } ImGui.SameLine(line_start_x + cell_width * Rows + glyph_width * 2); //separator line drawing replaced by printing a pipe char // Draw ASCII values addr = line_i * Rows; var asciiVal = new System.Text.StringBuilder(2 + Rows); asciiVal.Append("| "); for (int n = 0; n < Rows && addr < mem_size; n++, addr++) { int c = mem_data[addr]; asciiVal.Append((c >= 32 && c < 128) ? Convert.ToChar(c) : '.'); } ImGui.TextUnformatted(asciiVal.ToString()); //use unformatted, so string can contain the '%' character } //clipper.End(); //not implemented ImGui.PopStyleVar(2); ImGui.EndChild(); if (data_next && DataEditingAddr < mem_size) { DataEditingAddr = DataEditingAddr + 1; DataEditingTakeFocus = true; } ImGui.Separator(); ImGuiNative.igAlignFirstTextHeightToWidgets(); ImGui.PushItemWidth(50); ImGuiNative.igPushAllowKeyboardFocus(false); int rows_backup = Rows; if (ImGui.DragInt("##rows", ref Rows, 0.2f, 4, 32, "%.0f rows")) { if (Rows <= 0) { Rows = 4; } Vector2 new_window_size = ImGui.GetWindowSize(); new_window_size.X += (Rows - rows_backup) * (cell_width + glyph_width); ImGui.SetWindowSize(new_window_size); } ImGuiNative.igPopAllowKeyboardFocus(); ImGui.PopItemWidth(); ImGui.SameLine(); ImGui.Text(string.Format(" Range {0}..{1} ", FixedHex(base_display_addr, addr_digits_count), FixedHex(base_display_addr + mem_size - 1, addr_digits_count))); ImGui.SameLine(); ImGui.PushItemWidth(70); if (ImGui.InputText("##addr", AddrInput, 32, InputTextFlags.CharsHexadecimal | InputTextFlags.EnterReturnsTrue, null)) { int goto_addr; if (TryHexParse(AddrInput, out goto_addr)) { goto_addr -= base_display_addr; if (goto_addr >= 0 && goto_addr < mem_size) { ImGui.BeginChild("##scrolling"); ImGuiNative.igSetScrollFromPosY(ImGui.GetCursorStartPos().Y + (goto_addr / Rows) * ImGuiNative.igGetTextLineHeight()); ImGui.EndChild(); DataEditingAddr = goto_addr; DataEditingTakeFocus = true; } } } ImGui.PopItemWidth(); ImGui.EndWindow(); }