From 2c1c5595efec1db63c142accda59e83079af217e Mon Sep 17 00:00:00 2001 From: "milo24x7@gmail.com" Date: Sun, 7 Jul 2013 21:26:31 +0000 Subject: Updated open source license declaration and fixed some formatting issues. --- nGenEx/EditBox.cpp | 928 +++++++++++++++++++++++++++-------------------------- 1 file changed, 476 insertions(+), 452 deletions(-) (limited to 'nGenEx/EditBox.cpp') diff --git a/nGenEx/EditBox.cpp b/nGenEx/EditBox.cpp index 552c5ad..c2ed3a1 100644 --- a/nGenEx/EditBox.cpp +++ b/nGenEx/EditBox.cpp @@ -1,452 +1,476 @@ -/* Project nGenEx - Destroyer Studios LLC - Copyright © 1997-2004. All Rights Reserved. - - 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); -} +/* 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); +} -- cgit v1.1