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The GtkRadiant sources as originally released under the GPL license.
This commit is contained in:
Travis Bradshaw
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radiant/grid.cpp
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270
radiant/grid.cpp
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/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "grid.h"
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#include <math.h>
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#include <vector>
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#include <algorithm>
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#include "preferencesystem.h"
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#include "gtkutil/widget.h"
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#include "stringio.h"
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#include "gtkmisc.h"
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#include "commands.h"
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#include "preferences.h"
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std::vector<Callback> g_gridChange_callbacks;
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void AddGridChangeCallback(const Callback& callback)
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{
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g_gridChange_callbacks.push_back(callback);
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callback();
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}
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void GridChangeNotify()
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{
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std::for_each(g_gridChange_callbacks.begin(), g_gridChange_callbacks.end(), CallbackInvoke());
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}
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enum GridPower
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{
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GRIDPOWER_0125 = -3,
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GRIDPOWER_025 = -2,
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GRIDPOWER_05 = -1,
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GRIDPOWER_1 = 0,
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GRIDPOWER_2 = 1,
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GRIDPOWER_4 = 2,
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GRIDPOWER_8 = 3,
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GRIDPOWER_16 = 4,
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GRIDPOWER_32 = 5,
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GRIDPOWER_64 = 6,
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GRIDPOWER_128 = 7,
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GRIDPOWER_256 = 8,
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};
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typedef const char* GridName;
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// this must match the GridPower enumeration
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const GridName g_gridnames[] = {
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"0.125",
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"0.25",
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"0.5",
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"1",
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"2",
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"4",
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"8",
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"16",
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"32",
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"64",
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"128",
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"256",
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};
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inline GridPower GridPower_forGridDefault(int gridDefault)
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{
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return static_cast<GridPower>(gridDefault - 3);
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}
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inline int GridDefault_forGridPower(GridPower gridPower)
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{
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return gridPower + 3;
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}
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int g_grid_default = GridDefault_forGridPower(GRIDPOWER_8);
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int g_grid_power = GridPower_forGridDefault(g_grid_default);
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int Grid_getPower()
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{
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return g_grid_power;
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}
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inline float GridSize_forGridPower(int gridPower)
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{
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return pow(2.0f, gridPower);
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}
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float g_gridsize = GridSize_forGridPower(g_grid_power);
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float GetGridSize()
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{
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return g_gridsize;
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}
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void setGridPower(GridPower power);
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class GridMenuItem
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{
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GridPower m_id;
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GridMenuItem(const GridMenuItem& other); // NOT COPYABLE
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GridMenuItem& operator=(const GridMenuItem& other); // NOT ASSIGNABLE
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public:
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ToggleItem m_item;
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GridMenuItem(GridPower id) : m_id(id), m_item(ExportCaller(*this))
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{
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}
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void set()
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{
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g_grid_power = m_id;
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m_item.update();
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setGridPower(m_id);
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}
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typedef MemberCaller<GridMenuItem, &GridMenuItem::set> SetCaller;
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void active(const BoolImportCallback& importCallback)
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{
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importCallback(g_grid_power == m_id);
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}
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typedef MemberCaller1<GridMenuItem, const BoolImportCallback&, &GridMenuItem::active> ExportCaller;
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};
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GridMenuItem g_gridMenu0125(GRIDPOWER_0125);
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GridMenuItem g_gridMenu025(GRIDPOWER_025);
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GridMenuItem g_gridMenu05(GRIDPOWER_05);
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GridMenuItem g_gridMenu1(GRIDPOWER_1);
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GridMenuItem g_gridMenu2(GRIDPOWER_2);
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GridMenuItem g_gridMenu4(GRIDPOWER_4);
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GridMenuItem g_gridMenu8(GRIDPOWER_8);
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GridMenuItem g_gridMenu16(GRIDPOWER_16);
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GridMenuItem g_gridMenu32(GRIDPOWER_32);
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GridMenuItem g_gridMenu64(GRIDPOWER_64);
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GridMenuItem g_gridMenu128(GRIDPOWER_128);
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GridMenuItem g_gridMenu256(GRIDPOWER_256);
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void setGridPower(GridPower power)
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{
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g_gridsize = GridSize_forGridPower(power);
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g_gridMenu0125.m_item.update();
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g_gridMenu025.m_item.update();
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g_gridMenu05.m_item.update();
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g_gridMenu1.m_item.update();
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g_gridMenu2.m_item.update();
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g_gridMenu4.m_item.update();
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g_gridMenu8.m_item.update();
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g_gridMenu16.m_item.update();
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g_gridMenu32.m_item.update();
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g_gridMenu64.m_item.update();
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g_gridMenu128.m_item.update();
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g_gridMenu256.m_item.update();
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GridChangeNotify();
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}
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void GridPrev()
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{
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if(g_grid_power > GRIDPOWER_0125)
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{
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setGridPower(static_cast<GridPower>(--g_grid_power));
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}
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}
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void GridNext()
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{
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if(g_grid_power < GRIDPOWER_256)
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{
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setGridPower(static_cast<GridPower>(++g_grid_power));
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}
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}
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void Grid_registerCommands()
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{
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GlobalCommands_insert("GridDown", FreeCaller<GridPrev>(), Accelerator('['));
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GlobalCommands_insert("GridUp", FreeCaller<GridNext>(), Accelerator(']'));
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GlobalToggles_insert("SetGrid0.125", GridMenuItem::SetCaller(g_gridMenu0125), ToggleItem::AddCallbackCaller(g_gridMenu0125.m_item));
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GlobalToggles_insert("SetGrid0.25", GridMenuItem::SetCaller(g_gridMenu025), ToggleItem::AddCallbackCaller(g_gridMenu025.m_item));
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GlobalToggles_insert("SetGrid0.5", GridMenuItem::SetCaller(g_gridMenu05), ToggleItem::AddCallbackCaller(g_gridMenu05.m_item));
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GlobalToggles_insert("SetGrid1", GridMenuItem::SetCaller(g_gridMenu1), ToggleItem::AddCallbackCaller(g_gridMenu1.m_item), Accelerator('1'));
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GlobalToggles_insert("SetGrid2", GridMenuItem::SetCaller(g_gridMenu2), ToggleItem::AddCallbackCaller(g_gridMenu2.m_item), Accelerator('2'));
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GlobalToggles_insert("SetGrid4", GridMenuItem::SetCaller(g_gridMenu4), ToggleItem::AddCallbackCaller(g_gridMenu4.m_item), Accelerator('3'));
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GlobalToggles_insert("SetGrid8", GridMenuItem::SetCaller(g_gridMenu8), ToggleItem::AddCallbackCaller(g_gridMenu8.m_item), Accelerator('4'));
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GlobalToggles_insert("SetGrid16", GridMenuItem::SetCaller(g_gridMenu16), ToggleItem::AddCallbackCaller(g_gridMenu16.m_item), Accelerator('5'));
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GlobalToggles_insert("SetGrid32", GridMenuItem::SetCaller(g_gridMenu32), ToggleItem::AddCallbackCaller(g_gridMenu32.m_item), Accelerator('6'));
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GlobalToggles_insert("SetGrid64", GridMenuItem::SetCaller(g_gridMenu64), ToggleItem::AddCallbackCaller(g_gridMenu64.m_item), Accelerator('7'));
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GlobalToggles_insert("SetGrid128", GridMenuItem::SetCaller(g_gridMenu128), ToggleItem::AddCallbackCaller(g_gridMenu128.m_item), Accelerator('8'));
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GlobalToggles_insert("SetGrid256", GridMenuItem::SetCaller(g_gridMenu256), ToggleItem::AddCallbackCaller(g_gridMenu256.m_item), Accelerator('9'));
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}
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void Grid_constructMenu(GtkMenu* menu)
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{
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create_check_menu_item_with_mnemonic(menu, "Grid0.125", "SetGrid0.125");
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create_check_menu_item_with_mnemonic(menu, "Grid0.25", "SetGrid0.25");
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create_check_menu_item_with_mnemonic(menu, "Grid0.5", "SetGrid0.5");
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create_check_menu_item_with_mnemonic(menu, "Grid1", "SetGrid1");
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create_check_menu_item_with_mnemonic(menu, "Grid2", "SetGrid2");
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create_check_menu_item_with_mnemonic(menu, "Grid4", "SetGrid4");
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create_check_menu_item_with_mnemonic(menu, "Grid8", "SetGrid8");
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create_check_menu_item_with_mnemonic(menu, "Grid16", "SetGrid16");
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create_check_menu_item_with_mnemonic(menu, "Grid32", "SetGrid32");
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create_check_menu_item_with_mnemonic(menu, "Grid64", "SetGrid64");
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create_check_menu_item_with_mnemonic(menu, "Grid128", "SetGrid128");
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create_check_menu_item_with_mnemonic(menu, "Grid256", "SetGrid256");
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}
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void Grid_registerShortcuts()
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{
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command_connect_accelerator("ToggleGrid");
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command_connect_accelerator("GridDown");
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command_connect_accelerator("GridUp");
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}
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void Grid_constructPreferences(PreferencesPage& page)
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{
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page.appendCombo(
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"Default grid spacing",
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g_grid_default,
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ARRAY_RANGE(g_gridnames)
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);
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}
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void Grid_constructPage(PreferenceGroup& group)
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{
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PreferencesPage page(group.createPage("Grid", "Grid Settings"));
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Grid_constructPreferences(page);
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}
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void Grid_registerPreferencesPage()
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{
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PreferencesDialog_addSettingsPage(FreeCaller1<PreferenceGroup&, Grid_constructPage>());
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}
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void Grid_construct()
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{
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Grid_registerPreferencesPage();
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g_grid_default = GridDefault_forGridPower(GRIDPOWER_8);
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GlobalPreferenceSystem().registerPreference("GridDefault", IntImportStringCaller(g_grid_default), IntExportStringCaller(g_grid_default));
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g_grid_power = GridPower_forGridDefault(g_grid_default);
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g_gridsize = GridSize_forGridPower(g_grid_power);
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}
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void Grid_destroy()
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{
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}
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