Moved Stars45 to StarsEx

1 files changed, 436 insertions, 0 deletions

diff --git a/StarsEx/ComboList.cpp b/StarsEx/ComboList.cpp
new file mode 100644
index 0000000..4d03809
--- /dev/null
+++ b/StarsEx/ComboList.cpp
@@ -0,0 +1,436 @@
+/*  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
+    ========
+    Drop-down list of Buttons class
+*/
+
+#define NOMINMAX
+
+#include <algorithm>
+
+#include "ComboList.h"
+#include "ComboBox.h"
+#include "Button.h"
+#include "Video.h"
+#include "Bitmap.h"
+#include "Font.h"
+#include "Screen.h"
+
+// +--------------------------------------------------------------------+
+
+ComboList::ComboList(ComboBox* ctrl, ActiveWindow* p, int ax, int ay, int aw, int ah, int maxentries)
+    : ScrollWindow(p, ax, ay, aw, ah + (ah-2)*maxentries + 2, 0, 0, p), combo_box(ctrl)
+{
+    button_state   = 0;
+    button_height  = ah;
+    captured       = 0;
+    seln           = -1;
+    max_entries    = maxentries;
+    scroll         = 0;
+    scrolling      = false;
+    border         = true;
+    animated       = true;
+    bevel_width    = 5;
+
+    if (ctrl)
+    CopyStyle(*ctrl);
+
+    rect.h = (ah-2)*maxentries + 2;
+
+    int screen_height = Video::GetInstance()->Height();
+
+    if (rect.h > screen_height) {
+        rect.y = 0;
+        rect.h = screen_height;
+    }
+
+    else if (rect.y + rect.h > screen_height) {
+        rect.y = screen_height - rect.h;
+    }
+}
+
+ComboList::ComboList(ComboBox* ctrl, Screen* s, int ax, int ay, int aw, int ah, int maxentries)
+    : ScrollWindow(s, ax, ay, aw, ah + (ah-2)*maxentries + 2, 0), combo_box(ctrl)
+{
+    button_state   = 0;
+    button_height  = ah;
+    captured       = 0;
+    seln           = -1;
+    max_entries    = maxentries;
+    scroll         = 0;
+    scrolling      = false;
+    border         = true;
+    animated       = true;
+    bevel_width    = 5;
+
+    if (ctrl)
+    CopyStyle(*ctrl);
+
+    rect.h = (ah-2)*maxentries + 2;
+
+    int screen_height = Video::GetInstance()->Height();
+
+    if (rect.h > screen_height) {
+        rect.y = 0;
+        rect.h = screen_height;
+    }
+
+    else if (rect.y + rect.h > screen_height) {
+        rect.y = screen_height - rect.h;
+    }
+
+    screen->AddWindow(this);   // just in case the base ctor couldn't do this
+}
+
+// +--------------------------------------------------------------------+
+
+ComboList::~ComboList()
+{
+    items.destroy();
+}
+
+// +--------------------------------------------------------------------+
+
+void
+ComboList::CopyStyle(const ComboBox& ctrl)
+{
+    active_color   = ctrl.GetActiveColor();
+    border_color   = ctrl.GetBorderColor();
+    fore_color     = ctrl.GetForeColor();
+    back_color     = ctrl.GetBackColor();
+
+    animated       = ctrl.GetAnimated();
+    bevel_width    = ctrl.GetBevelWidth();
+    border         = ctrl.GetBorder();
+}
+
+// +--------------------------------------------------------------------+
+
+void
+ComboList::Show()
+{
+    if (!scrolling) {
+        scrolling = 1;
+        scroll    = 0;
+    }
+
+    ScrollWindow::Show();
+}
+
+void
+ComboList::Hide()
+{
+    scrolling = 0;
+    scroll    = 0;
+    ScrollWindow::Hide();
+}
+
+// +--------------------------------------------------------------------+
+
+void
+ComboList::Draw()
+{
+    int x = 0;
+    int y = 0;
+    int w = rect.w;
+    int h = button_height;
+
+    int index   = 0;
+
+    // opening:
+    if (scrolling > 0) {
+        int limit = std::min(items.size(), max_entries);
+
+        if (scroll < limit) {
+            if (limit > 6)
+            scroll += 4;
+
+            else if (limit > 4)
+            scroll += 2;
+
+            else
+            scroll += 1;
+        }
+
+        if (scroll >= limit) {
+            scroll    = limit;
+            scrolling = 0;
+        }
+    }
+
+    // closing:
+    else if (scrolling < 0) {
+        if (scroll > 0)
+        scroll--;
+        else
+        scrolling = 0;
+    }
+
+    if (items.size() < 1) {
+        Rect btn_rect(x,y,w,h);
+        DrawItem(" ", btn_rect, 0);
+    }
+    else {
+        ListIter<Text> item = items;
+        while (++item && index < max_entries) {
+            Rect btn_rect(x,y,w,h);
+            int sub_state = (index == seln) ? button_state : 0;
+
+            DrawItem(*item, btn_rect, sub_state);
+
+            y += button_height-2;
+            index++;
+        }
+    }
+
+    DrawRect(0,0,rect.w-1,rect.h-1,fore_color);
+}
+
+// +--------------------------------------------------------------------+
+
+void
+ComboList::DrawRectSimple(Rect& rect, int state)
+{
+    if (state && active_color != Color::Black)
+    FillRect(rect, active_color);
+    else
+    FillRect(rect, back_color);
+}
+
+void
+ComboList::DrawItem(Text label, Rect& btn_rect, int state)
+{
+    int x = btn_rect.x;
+    int y = btn_rect.y;
+    int w = btn_rect.w;
+    int h = btn_rect.h;
+
+    // draw the bevel:
+    DrawRectSimple(btn_rect, state);
+
+    // draw text here:
+    if (font && label.length()) {
+        int border_size = 4;
+
+        if (style & WIN_RAISED_FRAME && style & WIN_SUNK_FRAME)
+        border_size = 8;
+
+        Rect label_rect = CalcLabelRect(btn_rect);
+        int  vert_space = label_rect.h;
+        int  horz_space = label_rect.w;
+
+        DrawText(label.data(), 0, label_rect, DT_CALCRECT | DT_WORDBREAK | text_align);
+        vert_space = (vert_space - label_rect.h)/2;
+
+        label_rect.w = horz_space;
+
+        if (vert_space > 0)
+        label_rect.y += vert_space;
+
+        if (animated && state > 0) {
+            label_rect.x += state;
+            label_rect.y += state;
+        }
+
+        font->SetColor(fore_color);
+        DrawText(label.data(), 0, label_rect, DT_WORDBREAK | text_align);
+    }
+}
+
+Rect ComboList::CalcLabelRect(const Rect& btn_rect)
+{
+    // fit the text in the bevel:
+    Rect label_rect = btn_rect;
+    label_rect.Deflate(bevel_width, bevel_width);
+
+    return label_rect;
+}
+
+int ComboList::CalcSeln(int x, int y)
+{
+    y -= rect.y;
+
+    if (button_height < 1)
+    return 0;
+
+    return (int) (y / (button_height-2));
+}
+
+// +--------------------------------------------------------------------+
+
+int ComboList::OnMouseMove(int x, int y)
+{
+    if (captured)
+    {
+        ActiveWindow* test = GetCapture();
+
+        if (test != this)
+        {
+            captured = false;
+            button_state = -1;
+        }
+    }
+
+    int new_seln = CalcSeln(x,y);
+
+    if (new_seln != seln) {
+        seln = new_seln;
+        Button::PlaySound(Button::SND_COMBO_HILITE);
+    }
+
+    return ActiveWindow::OnMouseMove(x,y);
+}
+
+int ComboList::OnLButtonDown(int x, int y)
+{
+    if (!captured)
+    captured = SetCapture();
+
+    seln = CalcSeln(x,y);
+    button_state = 1;
+
+    return ActiveWindow::OnLButtonDown(x,y);
+}
+
+int ComboList::OnLButtonUp(int x, int y)
+{
+    if (captured) {
+        ReleaseCapture();
+        captured = 0;
+    }
+
+    seln = CalcSeln(x,y);
+    button_state = -1;
+    return ActiveWindow::OnLButtonUp(x,y);
+}
+
+int ComboList::OnClick()
+{
+    return ActiveWindow::OnClick();
+}
+
+int ComboList::OnMouseEnter(int mx, int my)
+{
+    if (button_state == 0)
+    button_state = -1;
+
+    return ActiveWindow::OnMouseEnter(mx, my);
+}
+
+int ComboList::OnMouseExit(int mx, int my)
+{
+    if (button_state == -1)
+    button_state = 0;
+
+    return ActiveWindow::OnMouseExit(mx, my);
+}
+
+void ComboList::KillFocus()
+{
+    if (combo_box)
+    combo_box->HideList();
+}
+
+// +--------------------------------------------------------------------+
+
+void ComboList::ClearItems()
+{
+    items.destroy();
+}
+
+// +--------------------------------------------------------------------+
+
+void ComboList::AddItem(const char* item)
+{
+    items.append(new Text(item));
+}
+
+void ComboList::AddItems(ListIter<Text> item)
+{
+    while (++item)
+    items.append(new Text(*item));
+}
+
+void ComboList::SetItems(ListIter<Text> item)
+{
+    items.destroy();
+    while (++item)
+    items.append(new Text(*item));
+
+    // Resize window:
+
+    int ah      = button_height;
+    max_entries = items.size();
+    Rect r      = rect;
+    r.y    = combo_box->Y();
+    int length  = max_entries;
+
+    if (length < 1)
+    length = 1;
+
+    r.h = (ah-2)*length + 2;
+
+    int screen_height = Video::GetInstance()->Height();
+
+    if (r.h > screen_height) {
+        r.y = 0;
+        r.h = screen_height;
+    }
+
+    else if (r.y + r.h > screen_height) {
+        r.y = screen_height - r.h;
+    }
+
+    MoveTo(r);
+}
+
+const char*  ComboList::GetItem(int index)
+{
+    if (index >= 0 && index < items.size())
+    return items[index]->data();
+    else
+    return 0;
+}
+
+void ComboList::SetItem(int index, const char* item)
+{
+    if (index >= 0 && index < items.size())
+    *items[index] = item;
+    else
+    items.append(new Text(item));
+}
+
+int  ComboList::GetCount()
+{
+    return items.size();
+}
+
+const char*  ComboList::GetSelectedItem()
+{
+    if (seln >= 0 && seln < items.size())
+    return items[seln]->data();
+    else
+    return 0;
+}
+
+int  ComboList::GetSelectedIndex()
+{
+    if (seln >= 0 && seln < items.size())
+    return seln;
+    else
+    return -1;
+}
+
+void ComboList::SetSelection(int index)
+{
+    if (index >= 0 && index < items.size())
+    seln = index;
+}
+