From e33e19d0587146859d48a134ec9fd94e7b7ba5cd Mon Sep 17 00:00:00 2001 From: "FWoltermann@gmail.com" Date: Thu, 8 Dec 2011 14:53:40 +0000 Subject: Initial upload --- nGenEx/ComboBox.cpp | 434 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 434 insertions(+) create mode 100644 nGenEx/ComboBox.cpp (limited to 'nGenEx/ComboBox.cpp') diff --git a/nGenEx/ComboBox.cpp b/nGenEx/ComboBox.cpp new file mode 100644 index 0000000..82880de --- /dev/null +++ b/nGenEx/ComboBox.cpp @@ -0,0 +1,434 @@ +/* Project nGenEx + Destroyer Studios LLC + Copyright © 1997-2004. All Rights Reserved. + + SUBSYSTEM: nGenEx.lib + FILE: ComboBox.cpp + AUTHOR: John DiCamillo + + + OVERVIEW + ======== + Drop-down list of Buttons class +*/ + +#include "MemDebug.h" +#include "ComboBox.h" +#include "ComboList.h" +#include "Button.h" +#include "Video.h" +#include "Screen.h" +#include "Bitmap.h" +#include "Font.h" +#include "EventDispatch.h" + +// +--------------------------------------------------------------------+ +// DECLARE MAPPING FUNCTIONS: +DEF_MAP_CLIENT(ComboBox, OnListSelect); +DEF_MAP_CLIENT(ComboBox, OnListExit); + +// +--------------------------------------------------------------------+ + +ComboBox::ComboBox(ActiveWindow* p, int ax, int ay, int aw, int ah, DWORD aid) + : ActiveWindow(p->GetScreen(), ax, ay, aw, ah, aid, 0, p) +{ + button_state = 0; + captured = 0; + pre_state = 0; + seln = 0; + list = 0; + list_showing = false; + border = true; + animated = true; + bevel_width = 5; + + char buf[32]; + sprintf(buf, "ComboBox %d", id); + desc = buf; +} + +ComboBox::ComboBox(Screen* s, int ax, int ay, int aw, int ah, DWORD aid) + : ActiveWindow(s, ax, ay, aw, ah, aid) +{ + button_state = 0; + captured = 0; + pre_state = 0; + seln = 0; + list = 0; + list_showing = false; + border = true; + animated = true; + bevel_width = 5; + + char buf[32]; + sprintf(buf, "ComboBox %d", id); + desc = buf; +} + +// +--------------------------------------------------------------------+ + +ComboBox::~ComboBox() +{ + items.destroy(); + + if (list && !list_showing) + delete list; +} + +// +--------------------------------------------------------------------+ + +void ComboBox::SetBevelWidth(short nNewValue) +{ + if (nNewValue < 0) nNewValue = 0; + bevel_width = nNewValue; +} + +void ComboBox::SetBorder(bool bNewValue) +{ + border = bNewValue; +} + +void ComboBox::SetBorderColor(Color newValue) +{ + border_color = newValue; +} + +void ComboBox::SetActiveColor(Color newValue) +{ + active_color = newValue; +} + +void ComboBox::SetAnimated(bool bNewValue) +{ + animated = bNewValue; +} + +// +--------------------------------------------------------------------+ + +void +ComboBox::Draw() +{ + int x = 0; + int y = 0; + int w = rect.w; + int h = rect.h; + + if (w < 1 || h < 1 || !shown) + return; + + Rect btn_rect(x,y,w,h); + + // draw the bevel: + DrawRectSimple(btn_rect, button_state); + + // draw the border: + if (border) + DrawRect(0,0,w-1,h-1,border_color); + + // draw the arrow: + POINT arrow[3]; + double h3 = (double)h/3.0; + + arrow[0].x = (int) (w-2*h3); + arrow[0].y = (int) (h3); + arrow[1].x = (int) (w-h3); + arrow[1].y = (int) (h3); + arrow[2].x = (int) ((arrow[1].x + arrow[0].x)/2); + arrow[2].y = (int) (2*h3); + + FillPoly(3, arrow, border_color); + + // draw text here: + Text caption = text; + if (GetSelectedIndex() >= 0) + caption = GetSelectedItem(); + + if (font && caption.length()) { + int border_size = 4; + + if (style & WIN_RAISED_FRAME && style & WIN_SUNK_FRAME) + border_size = 8; + + Rect label_rect = CalcLabelRect(); + int vert_space = label_rect.h; + int horz_space = label_rect.w; + + DrawText(caption.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 && button_state > 0) { + label_rect.x += button_state; + label_rect.y += button_state; + } + + font->SetColor(fore_color); + DrawText(caption.data(), 0, label_rect, DT_WORDBREAK | text_align); + } +} + +Rect ComboBox::CalcLabelRect() +{ + // fit the text in the bevel: + Rect label_rect; + label_rect.x = 0; + label_rect.y = 0; + label_rect.w = rect.w; + label_rect.h = rect.h; + + label_rect.Deflate(bevel_width, bevel_width); + + return label_rect; +} + +// +--------------------------------------------------------------------+ + +void +ComboBox::DrawRectSimple(Rect& rect, int state) +{ + if (state && active_color != Color::Black) + FillRect(rect, active_color); + else + FillRect(rect, back_color); +} + +// +--------------------------------------------------------------------+ + +int ComboBox::OnMouseMove(int x, int y) +{ + bool dirty = false; + + if (captured) + { + ActiveWindow* test = GetCapture(); + + if (test != this) + { + captured = false; + button_state = 0; + dirty = true; + } + + else + { + if (button_state == 1) + { + if (!rect.Contains(x,y)) + { + button_state = 0; + dirty = true; + } + } + else + { + if (rect.Contains(x,y)) + { + button_state = 1; + dirty = true; + } + } + } + } + + return ActiveWindow::OnMouseMove(x,y); +} + +int ComboBox::OnLButtonDown(int x, int y) +{ + if (!captured) + captured = SetCapture(); + + button_state = 1; + + return ActiveWindow::OnLButtonDown(x,y); +} + +int ComboBox::OnLButtonUp(int x, int y) +{ + if (captured) { + ReleaseCapture(); + captured = 0; + } + + button_state = -1; + ShowList(); + Button::PlaySound(Button::SND_COMBO_OPEN); + return ActiveWindow::OnLButtonUp(x,y); +} + +int ComboBox::OnClick() +{ + return ActiveWindow::OnClick(); +} + +int ComboBox::OnMouseEnter(int mx, int my) +{ + if (button_state == 0) + button_state = -1; + + return ActiveWindow::OnMouseEnter(mx, my); +} + +int ComboBox::OnMouseExit(int mx, int my) +{ + if (button_state == -1) + button_state = 0; + + return ActiveWindow::OnMouseExit(mx, my); +} + +// +--------------------------------------------------------------------+ + +void ComboBox::MoveTo(const Rect& r) +{ + ActiveWindow::MoveTo(r); + + if (list) { + delete list; + list = 0; + } +} + +void ComboBox::ShowList() +{ + if (!list) { + list = new(__FILE__,__LINE__) ComboList(this, screen, + rect.x, rect.y, + rect.w, rect.h, + items.size()); + + } + + if (list) { + list->SetTextAlign(text_align); + list->SetFont(font); + list->SetText(text); + list->SetSelection(seln); + list->SetItems(items); + + list->Show(); + list_showing = true; + + EventDispatch* dispatch = EventDispatch::GetInstance(); + if (dispatch) { + dispatch->MouseEnter(list); + dispatch->SetFocus(list); + } + + REGISTER_CLIENT(EID_CLICK, list, ComboBox, OnListSelect); + REGISTER_CLIENT(EID_MOUSE_EXIT, list, ComboBox, OnListExit); + } +} + +void ComboBox::HideList() +{ + if (list) { + // These will be handled by the list window itself (i hope) + UNREGISTER_CLIENT(EID_CLICK, list, ComboBox); + UNREGISTER_CLIENT(EID_MOUSE_EXIT, list, ComboBox); + + list->Hide(); + list_showing = false; + } +} + +// +--------------------------------------------------------------------+ + +void ComboBox::OnListSelect(AWEvent* event) +{ + if (list) { + int new_seln = list->GetSelectedIndex(); + + if (new_seln >= 0 && new_seln < items.size()) + seln = new_seln; + + HideList(); + OnSelect(); + Button::PlaySound(Button::SND_COMBO_SELECT); + } +} + +void ComboBox::OnListExit(AWEvent* event) +{ + //HideList(); + //Button::PlaySound(Button::SND_COMBO_CLOSE); +} + +// +--------------------------------------------------------------------+ + +int ComboBox::NumItems() +{ + return items.size(); +} + +void ComboBox::ClearItems() +{ + items.destroy(); + seln = 0; +} + +void ComboBox::AddItem(const char* item) +{ + Text* t = new(__FILE__,__LINE__) Text(item); + + if (t) items.append(t); +} + +const char* ComboBox::GetItem(int index) +{ + if (index >= 0 && index < items.size()) + return items[index]->data(); + else + return 0; +} + +void ComboBox::SetItem(int index, const char* item) +{ + if (index >= 0 && index < items.size()) { + *items[index] = item; + } + + else { + Text* t = new(__FILE__,__LINE__) Text(item); + if (t) + items.append(t); + } +} + +void ComboBox::SetLabel(const char* label) +{ + SetText(label); +} + +int ComboBox::GetCount() +{ + return items.size(); +} + +const char* ComboBox::GetSelectedItem() +{ + if (seln >= 0 && seln < items.size()) + return items[seln]->data(); + else + return 0; +} + +int ComboBox::GetSelectedIndex() +{ + if (seln >= 0 && seln < items.size()) + return seln; + else + return -1; +} + +void ComboBox::SetSelection(int index) +{ + if (seln != index && index >= 0 && index < items.size()) { + seln = index; + } +} + -- cgit v1.1