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author | Aki <please@ignore.pl> | 2021-10-01 23:46:47 +0200 |
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committer | Aki <please@ignore.pl> | 2021-10-01 23:46:47 +0200 |
commit | ddd76aa4e1571c8d5965709db5c3cd47a89c9a38 (patch) | |
tree | 4e07bfaebede6531a70984fdebc855bca52f394a /nGenEx/ScrollWindow.cpp | |
parent | 3a507e08b1d4e5970b27401a7e6517570d529400 (diff) | |
parent | c2d2c3551501110fddd78674d5435bfaa70382a3 (diff) | |
download | starshatter-ddd76aa4e1571c8d5965709db5c3cd47a89c9a38.zip starshatter-ddd76aa4e1571c8d5965709db5c3cd47a89c9a38.tar.gz starshatter-ddd76aa4e1571c8d5965709db5c3cd47a89c9a38.tar.bz2 |
Project is now built with CMake
Diffstat (limited to 'nGenEx/ScrollWindow.cpp')
-rw-r--r-- | nGenEx/ScrollWindow.cpp | 656 |
1 files changed, 0 insertions, 656 deletions
diff --git a/nGenEx/ScrollWindow.cpp b/nGenEx/ScrollWindow.cpp deleted file mode 100644 index 15a65ca..0000000 --- a/nGenEx/ScrollWindow.cpp +++ /dev/null @@ -1,656 +0,0 @@ -/* 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: ScrollWindow.cpp - AUTHOR: John DiCamillo - - - OVERVIEW - ======== - ScrollWindow ActiveWindow class -*/ - -#include "MemDebug.h" -#include "ScrollWindow.h" -#include "Button.h" -#include "Bitmap.h" -#include "FormWindow.h" -#include "Video.h" -#include "Font.h" -#include "Keyboard.h" -#include "Mouse.h" - - -DWORD GetRealTime(); - -// +--------------------------------------------------------------------+ - -static int old_cursor; - -// +--------------------------------------------------------------------+ - -ScrollWindow::ScrollWindow(ActiveWindow* p, int ax, int ay, int aw, int ah, DWORD aid, DWORD s, ActiveWindow* paw) -: ActiveWindow(p->GetScreen(), ax, ay, aw, ah, aid, s, paw) -{ - captured = false; - dragging = false; - selecting = false; - scrolling = SCROLL_NONE; - - leading = 0; - scroll_bar = SCROLL_AUTO; - dragdrop = false; - scroll_count = 0; - line_count = 0; - page_count = 0; - page_size = 1; - top_index = 0; - line_height = 0; - mouse_x = 0; - mouse_y = 0; - - smooth_scroll = false; - smooth_offset = 0; - - track_length = ah - 2*TRACK_START - THUMB_HEIGHT; - thumb_pos = TRACK_START; - - char buf[32]; - sprintf_s(buf, "ScrollWindow %d", id); - desc = buf; -} - -ScrollWindow::ScrollWindow(Screen* s, int ax, int ay, int aw, int ah, DWORD aid, DWORD s1, ActiveWindow* paw) -: ActiveWindow(s, ax, ay, aw, ah, aid, s1, paw) -{ - captured = false; - dragging = false; - selecting = false; - scrolling = SCROLL_NONE; - - leading = 0; - scroll_bar = SCROLL_AUTO; - dragdrop = false; - scroll_count = 0; - line_count = 0; - page_count = 0; - page_size = 1; - top_index = 0; - line_height = 0; - mouse_x = 0; - mouse_y = 0; - - smooth_scroll = false; - smooth_offset = 0; - - track_length = ah - 2*TRACK_START - THUMB_HEIGHT; - thumb_pos = TRACK_START; - - char buf[32]; - sprintf_s(buf, "ScrollWindow %d", id); - desc = buf; -} - -ScrollWindow::~ScrollWindow() -{ } - -// +--------------------------------------------------------------------+ - -void -ScrollWindow::MoveTo(const Rect& r) -{ - ActiveWindow::MoveTo(r); - - track_length = rect.h - 2*TRACK_START - THUMB_HEIGHT; - thumb_pos = TRACK_START; -} - -// +--------------------------------------------------------------------+ - -void -ScrollWindow::Paint() -{ - if (transparent) { - DrawTransparent(); - } - - else { - ActiveWindow::Paint(); - } -} - -// +--------------------------------------------------------------------+ - -void -ScrollWindow::Draw() -{ - int x = 0; - int y = 0; - int w = rect.w; - int h = rect.h; - - if (w < 1 || h < 1 || !shown) - return; - - ActiveWindow::Draw(); - - if (line_height < 1) - line_height = GetFont()->Height(); - page_size = h / (line_height + leading); - - Rect ctrl_rect(x,y,w,h); - ctrl_rect.Deflate(BORDER_WIDTH, BORDER_WIDTH); - - if (IsScrollVisible()) { - ctrl_rect.w -= SCROLL_TRACK; - } - - DrawContent(ctrl_rect); - DrawScrollBar(); -} - -// +--------------------------------------------------------------------+ - -void -ScrollWindow::DrawTransparent() -{ - int x = 0; - int y = 0; - int w = rect.w; - int h = rect.h; - - if (w < 1 || h < 1 || !shown) - return; - - if (line_height < 1) - line_height = GetFont()->Height(); - page_size = h / (line_height + leading); - - Rect ctrl_rect(x,y,w,h); - ctrl_rect.Deflate(BORDER_WIDTH, BORDER_WIDTH); - - if (IsScrollVisible()) { - ctrl_rect.w -= SCROLL_TRACK; - } - - DrawTransparentContent(ctrl_rect); - DrawScrollBar(); -} - -// +--------------------------------------------------------------------+ - -void -ScrollWindow::DrawContent(const Rect& ctrl_rect) -{ - // override to do control-specific drawing -} - -void -ScrollWindow::DrawTransparentContent(const Rect& ctrl_rect) -{ - // override (if necessary) to do control-specific drawing - DrawContent(ctrl_rect); -} - -void -ScrollWindow::DrawScrollBar() -{ - // draw scroll bar if necessary: - if (IsScrollVisible()) { - Color save_color = back_color; - back_color = ShadeColor(back_color, 1.3); - - // draw scroll track border: - DrawLine(rect.w-SCROLL_TRACK, BORDER_WIDTH, rect.w-SCROLL_TRACK, rect.h-BORDER_WIDTH, back_color); - - // draw top button - Rect btn_rect(rect.w-SCROLL_WIDTH, BORDER_WIDTH, SCROLL_WIDTH-BORDER_WIDTH, SCROLL_HEIGHT); - FillRect(btn_rect, back_color); - DrawStyleRect(btn_rect, WIN_RAISED_FRAME); - - // draw bottom button: - btn_rect.y = rect.h - (SCROLL_HEIGHT+BORDER_WIDTH); - FillRect(btn_rect, back_color); - DrawStyleRect(btn_rect, WIN_RAISED_FRAME); - - // draw thumb: - btn_rect.y = thumb_pos; - btn_rect.h = btn_rect.w; - FillRect(btn_rect, back_color); - DrawStyleRect(btn_rect, WIN_RAISED_FRAME); - - back_color = save_color; - } - - if (scrolling && scroll_count) - Scroll(scrolling, scroll_count); -} - -// +--------------------------------------------------------------------+ - -bool -ScrollWindow::IsScrollVisible() -{ - bool vis = false; - - if (scroll_bar == SCROLL_ALWAYS || - (scroll_bar == SCROLL_AUTO && - line_count > page_size)) { - vis = true; - } - - return vis; -} - -int ScrollWindow::GetLineHeight() -{ - return line_height; -} - -void ScrollWindow::SetLineHeight(int h) -{ - if (h >= 0) - line_height = h; -} - -int ScrollWindow::GetLeading() -{ - return leading; -} - -void ScrollWindow::SetLeading(int nNewValue) -{ - if (leading != nNewValue && nNewValue >= 0) { - leading = nNewValue; - } -} - -int ScrollWindow::GetDragDrop() -{ - return dragdrop; -} - -void ScrollWindow::SetDragDrop(int nNewValue) -{ - if (dragdrop != nNewValue && (nNewValue == 0 || nNewValue == 1)) { - dragdrop = nNewValue; - } -} - -int ScrollWindow::GetScrollBarVisible() -{ - return scroll_bar; -} - -void ScrollWindow::SetScrollBarVisible(int nNewValue) -{ - if (scroll_bar != nNewValue) { - scroll_bar = nNewValue; - } -} - -bool ScrollWindow::GetSmoothScroll() -{ - return smooth_scroll; -} - -void ScrollWindow::SetSmoothScroll(bool bNewValue) -{ - if (smooth_scroll != bNewValue) { - smooth_scroll = bNewValue; - smooth_offset = top_index; - } -} - -bool ScrollWindow::CanScroll(int direction, int nlines) -{ - return false; -} - -void ScrollWindow::EnsureVisible(int index) -{ - if (index < top_index) - ScrollTo(index); - - else if (index > top_index+page_size) - ScrollTo(index-page_size); -} - -void ScrollWindow::Scroll(int direction, int nlines) -{ - if (nlines) { - scrolling = direction; - - if (direction == SCROLL_UP || direction == SCROLL_PAGE_UP) { - top_index--; - - if (top_index < 0) - top_index = 0; - - else - scroll_count = nlines-1; - } - - else if (direction == SCROLL_DOWN || direction == SCROLL_PAGE_DOWN) { - top_index++; - - if (top_index >= line_count) - top_index = line_count-1; - - else - scroll_count = nlines-1; - } - - smooth_offset = top_index; - thumb_pos = TRACK_START + (int) (track_length * (double) top_index/(line_count-1)); - - if (scroll_count < 1) - scrolling = SCROLL_NONE; - } -} - -void ScrollWindow::SmoothScroll(int direction, double nlines) -{ - if (!smooth_scroll) { - Scroll(direction, (int) nlines); - return; - } - - if (direction == SCROLL_UP || direction == SCROLL_PAGE_UP) { - smooth_offset -= nlines; - - if (smooth_offset < 0) - smooth_offset = 0; - } - - else if (direction == SCROLL_DOWN || direction == SCROLL_PAGE_DOWN) { - smooth_offset += nlines; - - if (smooth_offset >= line_count) - smooth_offset = line_count-1; - } - - top_index = (int) smooth_offset; - thumb_pos = TRACK_START + (int) (track_length * smooth_offset/(line_count-1)); - scrolling = SCROLL_NONE; -} - -void ScrollWindow::ScrollTo(int index) -{ - if (index >= 0 && index < line_count) { - top_index = index; - smooth_offset = index; - - thumb_pos = TRACK_START + (int) (track_length * smooth_offset/(line_count-1)); - } -} - -int ScrollWindow::GetTopIndex() -{ - return top_index; -} - -int ScrollWindow::GetPageCount() -{ - return line_count / GetPageSize(); -} - -int ScrollWindow::GetPageSize() -{ - return page_size; -} - -int ScrollWindow::GetScrollTrack() -{ - return rect.w-SCROLL_TRACK; -} - -int ScrollWindow::GetLineCount() -{ - return line_count; -} - -// +--------------------------------------------------------------------+ - -int ScrollWindow::OnMouseMove(int x, int y) -{ - bool dirty = false; - - if (captured) { - ActiveWindow* test = GetCapture(); - - if (test != this) { - captured = false; - dirty = true; - } - - else { - if (selecting && !dragging) { - if (dragdrop && (x < rect.x || - x > rect.x+rect.w || - y < rect.y || - y > rect.y+rect.h)) { - - dragging = true; - OnDragStart(x,y); - } - } - - if (scrolling == SCROLL_THUMB) { - mouse_y = y - rect.y - TRACK_START; - - int dest = (int) ((double) mouse_y/track_length * (line_count-1)); - ScrollTo(dest); - dirty = true; - } - } - } - - return ActiveWindow::OnMouseMove(x,y); -} - -// +--------------------------------------------------------------------+ - -int ScrollWindow::OnLButtonDown(int x, int y) -{ - if (!captured) - captured = SetCapture(); - - mouse_x = x - rect.x; - mouse_y = y - rect.y; - - int x_scroll_bar = rect.w; - - if (scroll_bar == SCROLL_ALWAYS || - (scroll_bar == SCROLL_AUTO && - line_count > page_size)) - x_scroll_bar -= SCROLL_WIDTH; - - if (mouse_x < x_scroll_bar) { - scrolling = SCROLL_NONE; - selecting = true; - } - - else { - selecting = false; - - if (mouse_y < TRACK_START) { - scrolling = SCROLL_UP; - Scroll(scrolling, 1); - Button::PlaySound(Button::SND_LIST_SCROLL); - } - - else if (mouse_y > rect.h-TRACK_START) { - scrolling = SCROLL_DOWN; - if (top_index < line_count-1) - top_index++; - Button::PlaySound(Button::SND_LIST_SCROLL); - } - - else if (mouse_y < thumb_pos) { - scrolling = SCROLL_PAGE_UP; - Scroll(scrolling, page_size); - Button::PlaySound(Button::SND_LIST_SCROLL); - } - - else if (mouse_y > thumb_pos+THUMB_HEIGHT) { - scrolling = SCROLL_PAGE_DOWN; - Scroll(scrolling, page_size); - Button::PlaySound(Button::SND_LIST_SCROLL); - } - - else { - scrolling = SCROLL_THUMB; - } - } - - return ActiveWindow::OnLButtonDown(x,y); -} - -// +--------------------------------------------------------------------+ - -int ScrollWindow::OnLButtonUp(int x, int y) -{ - if (captured) { - mouse_x = x-rect.x; - mouse_y = y-rect.y; - - if (dragging) { - if (mouse_x < 0 || mouse_x > rect.w || mouse_y < 0 || mouse_y > rect.h) { - FormWindow* parent_form = (FormWindow*) form; - - if (parent_form) { - ActiveWindow* drop_target = parent_form->FindControl(x,y); - - if (drop_target && drop_target->IsEnabled() && drop_target->IsShown()) - drop_target->OnDragDrop(x,y,this); - } - } - } - - ReleaseCapture(); - captured = false; - - Mouse::SetCursor((Mouse::CURSOR) old_cursor); - } - - dragging = false; - selecting = false; - - return ActiveWindow::OnLButtonUp(x,y); -} - -// +--------------------------------------------------------------------+ - -int ScrollWindow::OnMouseWheel(int wheel) -{ - if (wheel > 0) - Scroll(SCROLL_UP, 1); - - else if (wheel < 0) - Scroll(SCROLL_DOWN, 1); - - if (GetLineCount() > 0) { - static double scroll_time = 0; - - if (GetRealTime() - scroll_time > 0.5) { - scroll_time = GetRealTime(); - Button::PlaySound(Button::SND_LIST_SCROLL); - } - } - - return ActiveWindow::OnMouseWheel(wheel); -} - -// +--------------------------------------------------------------------+ - -int ScrollWindow::OnClick() -{ - int fire_select = !scrolling; - - if (scrolling == SCROLL_THUMB) - scrolling = SCROLL_NONE; - - if (fire_select) - return ActiveWindow::OnSelect(); - else - return ActiveWindow::OnClick(); - - return 0; -} - -// +--------------------------------------------------------------------+ - -int ScrollWindow::OnKeyDown(int vk, int flags) -{ - switch (vk) { - case VK_UP: Scroll(SCROLL_UP, 1); - Button::PlaySound(Button::SND_LIST_SCROLL); - break; - - case VK_DOWN: Scroll(SCROLL_DOWN, 1); - Button::PlaySound(Button::SND_LIST_SCROLL); - break; - - case VK_PRIOR: Scroll(SCROLL_UP, page_count); - Button::PlaySound(Button::SND_LIST_SCROLL); - break; - - case VK_NEXT: Scroll(SCROLL_DOWN, page_count); - Button::PlaySound(Button::SND_LIST_SCROLL); - break; - - case VK_HOME: EnsureVisible(0); - Button::PlaySound(Button::SND_LIST_SCROLL); - break; - - case VK_END: EnsureVisible(line_count-1); - Button::PlaySound(Button::SND_LIST_SCROLL); - break; - - default: break; - } - - return ActiveWindow::OnKeyDown(vk, flags); -} - -// +--------------------------------------------------------------------+ - -int ScrollWindow::OnDragStart(int x, int y) -{ - old_cursor = Mouse::SetCursor(Mouse::DRAG); - return ActiveWindow::OnDragStart(x,y); -} - -// +--------------------------------------------------------------------+ - -int ScrollWindow::OnDragDrop(int x, int y, ActiveWindow* source) -{ - return ActiveWindow::OnDragDrop(x,y,source); -} |