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-rw-r--r--nGenEx/EditBox.cpp476
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diff --git a/nGenEx/EditBox.cpp b/nGenEx/EditBox.cpp
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--- a/nGenEx/EditBox.cpp
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-/* Starshatter OpenSource Distribution
- Copyright (c) 1997-2004, Destroyer Studios LLC.
- All Rights Reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
- * Neither the name "Destroyer Studios" nor the names of its contributors
- may be used to endorse or promote products derived from this software
- without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- POSSIBILITY OF SUCH DAMAGE.
-
- SUBSYSTEM: nGenEx.lib
- FILE: EditBox.cpp
- AUTHOR: John DiCamillo
-
-
- OVERVIEW
- ========
- EditBox ActiveWindow class
-*/
-
-#include "MemDebug.h"
-#include "EditBox.h"
-#include "FormWindow.h"
-#include "Video.h"
-#include "Font.h"
-#include "Keyboard.h"
-#include "Mouse.h"
-
-DWORD GetRealTime();
-
-// +--------------------------------------------------------------------+
-
-static int old_cursor;
-
-// +--------------------------------------------------------------------+
-
-EditBox::EditBox(ActiveWindow* p, int ax, int ay, int aw, int ah, DWORD aid)
- : ScrollWindow(p->GetScreen(), ax, ay, aw, ah, aid, 0, p), caret_x(0), caret_y(0)
-{
- sel_start = 0;
- sel_length = 0;
- h_offset = 0;
- pass_char = 0;
-
- selected_color = Color::Yellow;
-
- char buf[32];
- sprintf_s(buf, "EditBox %d", id);
- desc = buf;
-}
-
-EditBox::EditBox(Screen* s, int ax, int ay, int aw, int ah, DWORD aid)
- : ScrollWindow(s, ax, ay, aw, ah, aid), caret_x(0), caret_y(0)
-{
- sel_start = 0;
- sel_length = 0;
- h_offset = 0;
- pass_char = 0;
-
- selected_color = Color::Yellow;
-
- char buf[32];
- sprintf_s(buf, "EditBox %d", id);
- desc = buf;
-}
-
-EditBox::~EditBox()
-{
-}
-
-// +--------------------------------------------------------------------+
-
-void
-EditBox::DrawContent(const Rect& ctrl_rect)
-{
- int h = rect.h;
-
- if (line_height < 1)
- line_height = GetFont()->Height();
- page_size = h / (line_height + leading);
-}
-
-// +--------------------------------------------------------------------+
-
-void
-EditBox::DrawTabbedText()
-{
- if (font && text.length()) {
- int border_size = 4;
-
- if (style & WIN_RAISED_FRAME && style & WIN_SUNK_FRAME)
- border_size = 8;
-
- Rect label_rect = rect;
-
- label_rect.x = border_size;
- label_rect.y = border_size;
- label_rect.w -= border_size * 2;
- label_rect.h -= border_size * 2;
-
- if (focus)
- font->SetCaretIndex(sel_start);
-
- // if displaying in password mode, create a display string
- // containing the proper number of password chars:
- Text s = text;
- if (pass_char)
- s = Text(pass_char, text.length());
-
- // no tabs set:
- if (tab[0] == 0) {
- DWORD text_flags = DT_WORDBREAK | text_align;
-
- if (single_line)
- text_flags = text_flags | DT_SINGLELINE;
-
- if (style & WIN_TEXT_SHADOW) {
- label_rect.x++;
- label_rect.y++;
-
- font->SetColor(back_color);
- DrawText(s.data() + h_offset, 0, label_rect, text_flags);
-
- label_rect.x--;
- label_rect.y--;
- }
-
- font->SetColor(fore_color);
- DrawText(s.data() + h_offset, 0, label_rect, text_flags);
- }
-
- // use tabs:
- else {
- }
-
- font->SetCaretIndex(-1);
- }
- else {
- caret_x = 2;
- caret_y = 3;
- }
-}
-
-// +--------------------------------------------------------------------+
-
-Color EditBox::GetSelectedColor()
-{
- return selected_color;
-}
-
-void EditBox::SetSelectedColor(Color c)
-{
- if (selected_color != c) {
- selected_color = c;
- }
-}
-
-Text EditBox::GetSelText()
-{
- if (sel_start == 0 && sel_length == text.length())
- return text;
-
- Text selection;
- char* buf = new(__FILE__,__LINE__) char[sel_length+1];
-
- if (buf) {
- for (int i = 0; i < sel_length; i++)
- buf[i] = text[(int) (sel_start + i)];
-
- buf[sel_length] = 0;
-
- selection = buf;
- delete [] buf;
- }
-
- return selection;
-}
-
-void EditBox::SetSelStart(int n)
-{
- if (n >= 0 && n <= text.length())
- sel_start = n;
-}
-
-void EditBox::SetSelLength(int n)
-{
- if (n <= text.length() - sel_start)
- sel_length = n;
-}
-
-void EditBox::EnsureCaretVisible()
-{
- if (!single_line) {
- h_offset = 0;
- return;
- }
-
- if (sel_start < 0) {
- sel_start = 0;
- h_offset = 0;
- }
-
- else if (sel_start > h_offset) {
- int x_caret;
- bool moved;
-
- do {
- x_caret = 0;
- moved = false;
-
- if (pass_char) {
- Text pass = Text(pass_char, sel_start-h_offset);
- x_caret += font->StringWidth(pass.data(), pass.length());
- }
- else {
- Text sub = text.substring(h_offset, sel_start-h_offset);
- x_caret += font->StringWidth(sub.data(), sub.length());
- }
-
- if (x_caret >= Width()-4) {
- if (h_offset < text.length()) {
- h_offset++;
- moved = true;
- }
- }
- }
- while (moved);
- }
-
- else {
- h_offset = sel_start;
- }
-}
-
-bool EditBox::CanScroll(int dir, int nlines)
-{
- return false;
-}
-
-void EditBox::Scroll(int direction, int nlines)
-{
- scrolling = SCROLL_NONE;
-}
-
-void EditBox::ScrollTo(int index)
-{
-}
-
-int EditBox::GetPageCount()
-{
- return 1;
-}
-
-int EditBox::GetPageSize()
-{
- return page_size;
-}
-
-// +--------------------------------------------------------------------+
-
-void EditBox::SetFocus()
-{
- ActiveWindow::SetFocus();
-
- sel_start = text.length();
- sel_length = 0;
-}
-
-void EditBox::KillFocus()
-{
- ActiveWindow::KillFocus();
-}
-
-// +--------------------------------------------------------------------+
-
-int EditBox::CaretFromPoint(int x, int y) const
-{
- return 0;
-}
-
-// +--------------------------------------------------------------------+
-
-int EditBox::OnMouseMove(int x, int y)
-{
- return ActiveWindow::OnMouseMove(x,y);
-}
-
-// +--------------------------------------------------------------------+
-
-int EditBox::OnLButtonDown(int x, int y)
-{
- return ActiveWindow::OnLButtonDown(x,y);
-}
-
-// +--------------------------------------------------------------------+
-
-int EditBox::OnLButtonUp(int x, int y)
-{
- return ActiveWindow::OnLButtonUp(x,y);
-}
-
-// +--------------------------------------------------------------------+
-
-int EditBox::OnClick()
-{
- int fire_click = !scrolling;
-
- if (scrolling == SCROLL_THUMB)
- scrolling = SCROLL_NONE;
-
- if (fire_click)
- return ActiveWindow::OnClick();
-
- return 0;
-}
-
-// +--------------------------------------------------------------------+
-
-void EditBox::Insert(char c)
-{
- if (single_line && c == '\n')
- return;
-
- if (sel_start < text.length()) {
- if (sel_start == 0) {
- text = Text(c) + text;
- sel_start = 1;
- }
- else {
- Text t1 = text.substring(0, sel_start);
- Text t2 = text.substring(sel_start, text.length()-sel_start);
- text = t1 + Text(c) + t2;
- sel_start++;
- }
- }
- else {
- text += c;
- sel_start = text.length();
- }
-
- EnsureCaretVisible();
-}
-
-void EditBox::Insert(const char* s)
-{
-}
-
-void EditBox::Delete()
-{
- if (sel_start < text.length()) {
- if (sel_start == 0) {
- text = text.substring(1, text.length()-1);
- }
- else {
- Text t1 = text.substring(0, sel_start);
- Text t2 = text.substring(sel_start+1, text.length()-sel_start-1);
- text = t1 + t2;
- }
- }
-
- EnsureCaretVisible();
-}
-
-void EditBox::Backspace()
-{
- if (sel_start > 0) {
- if (sel_start == text.length()) {
- text = text.substring(0, sel_start-1);
- }
- else {
- Text t1 = text.substring(0, sel_start-1);
- Text t2 = text.substring(sel_start, text.length()-sel_start);
- text = t1 + t2;
- }
-
- sel_start--;
- EnsureCaretVisible();
- }
-}
-
-int EditBox::OnKeyDown(int vk, int flags)
-{
- if (vk >= 'A' && vk <= 'Z') {
- if (flags & 1)
- Insert((char) vk);
- else
- Insert((char) tolower(vk));
- }
- else {
- switch (vk) {
- case VK_LEFT:
- if (sel_start > 0) sel_start--;
- EnsureCaretVisible();
- break;
-
- case VK_RIGHT:
- if (sel_start < text.length()) sel_start++;
- EnsureCaretVisible();
- break;
-
- case VK_HOME:
- sel_start = 0;
- EnsureCaretVisible();
- break;
-
- case VK_END:
- sel_start = text.length();
- EnsureCaretVisible();
- break;
-
- case VK_DELETE: Delete(); break;
- case VK_BACK: Backspace(); break;
-
- case VK_SPACE: Insert(' '); break;
- case VK_RETURN: Insert('\n'); break;
-
- case VK_NUMPAD0: Insert('0'); break;
- case VK_NUMPAD1: Insert('1'); break;
- case VK_NUMPAD2: Insert('2'); break;
- case VK_NUMPAD3: Insert('3'); break;
- case VK_NUMPAD4: Insert('4'); break;
- case VK_NUMPAD5: Insert('5'); break;
- case VK_NUMPAD6: Insert('6'); break;
- case VK_NUMPAD7: Insert('7'); break;
- case VK_NUMPAD8: Insert('8'); break;
- case VK_NUMPAD9: Insert('9'); break;
- case VK_DECIMAL: Insert('.'); break;
- case VK_ADD: Insert('+'); break;
- case VK_SUBTRACT: Insert('-'); break;
- case VK_MULTIPLY: Insert('*'); break;
- case VK_DIVIDE: Insert('/'); break;
-
- case '0': if (flags & 1) Insert(')'); else Insert('0'); break;
- case '1': if (flags & 1) Insert('!'); else Insert('1'); break;
- case '2': if (flags & 1) Insert('@'); else Insert('2'); break;
- case '3': if (flags & 1) Insert('#'); else Insert('3'); break;
- case '4': if (flags & 1) Insert('$'); else Insert('4'); break;
- case '5': if (flags & 1) Insert('%'); else Insert('5'); break;
- case '6': if (flags & 1) Insert('^'); else Insert('6'); break;
- case '7': if (flags & 1) Insert('&'); else Insert('7'); break;
- case '8': if (flags & 1) Insert('*'); else Insert('8'); break;
- case '9': if (flags & 1) Insert('('); else Insert('9'); break;
- case 186: if (flags & 1) Insert(':'); else Insert(';'); break;
- case 187: if (flags & 1) Insert('+'); else Insert('='); break;
- case 188: if (flags & 1) Insert('<'); else Insert(','); break;
- case 189: if (flags & 1) Insert('_'); else Insert('-'); break;
- case 190: if (flags & 1) Insert('>'); else Insert('.'); break;
- case 191: if (flags & 1) Insert('?'); else Insert('/'); break;
- case 192: if (flags & 1) Insert('~'); else Insert('`'); break;
- case 219: if (flags & 1) Insert('{'); else Insert('['); break;
- case 221: if (flags & 1) Insert('}'); else Insert(']'); break;
- case 220: if (flags & 1) Insert('|'); else Insert('\\'); break;
- case 222: if (flags & 1) Insert('"'); else Insert('\''); break;
- }
- }
-
- return ActiveWindow::OnKeyDown(vk, flags);
-}
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