Moved Stars45 to StarsEx

1 files changed, 448 insertions, 0 deletions

diff --git a/StarsEx/EditBox.cpp b/StarsEx/EditBox.cpp
new file mode 100644
index 0000000..cf08a4b
--- /dev/null
+++ b/StarsEx/EditBox.cpp
@@ -0,0 +1,448 @@
+/*  Starshatter: The Open Source Project
+    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
+    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
+    Copyright (c) 1997-2006, Destroyer Studios LLC.
+
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    EditBox ActiveWindow class
+*/
+
+#include "EditBox.h"
+#include "FormWindow.h"
+#include "Video.h"
+#include "Font.h"
+#include "Keyboard.h"
+#include "Mouse.h"
+
+// +--------------------------------------------------------------------+
+
+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 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);
+}