vmap/radiant/grid.cpp
2020-11-17 12:16:16 +01:00

302 lines
8.8 KiB
C++

/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "grid.h"
#include <math.h>
#include <vector>
#include <algorithm>
#include "preferencesystem.h"
#include "gtkutil/widget.h"
#include "signal/signal.h"
#include "stringio.h"
#include "gtkmisc.h"
#include "commands.h"
#include "preferences.h"
Signal0 g_gridChange_callbacks;
void AddGridChangeCallback(const SignalHandler &handler)
{
g_gridChange_callbacks.connectLast(handler);
handler();
}
void GridChangeNotify()
{
g_gridChange_callbacks();
}
enum GridPower {
GRIDPOWER_0125 = -3,
GRIDPOWER_025 = -2,
GRIDPOWER_05 = -1,
GRIDPOWER_1 = 0,
GRIDPOWER_2 = 1,
GRIDPOWER_4 = 2,
GRIDPOWER_8 = 3,
GRIDPOWER_16 = 4,
GRIDPOWER_32 = 5,
GRIDPOWER_64 = 6,
GRIDPOWER_128 = 7,
GRIDPOWER_256 = 8,
};
typedef const char *GridName;
// this must match the GridPower enumeration
const GridName g_gridnames[] = {
"0.125",
"0.25",
"0.5",
"1",
"2",
"4",
"8",
"16",
"32",
"64",
"128",
"256",
};
inline GridPower GridPower_forGridDefault(int gridDefault)
{
return static_cast<GridPower>( gridDefault - 3 );
}
inline int GridDefault_forGridPower(GridPower gridPower)
{
return gridPower + 3;
}
int g_grid_default = GridDefault_forGridPower(GRIDPOWER_8);
int g_grid_power = GridPower_forGridDefault(g_grid_default);
bool g_grid_snap = true;
int Grid_getPower()
{
return g_grid_power;
}
inline float GridSize_forGridPower(int gridPower)
{
return pow(2.0f, gridPower);
}
float g_gridsize = GridSize_forGridPower(g_grid_power);
float GetSnapGridSize()
{
return g_grid_snap ? g_gridsize : 0;
}
float GetGridSize()
{
return g_gridsize;
}
void setGridPower(GridPower power);
class GridMenuItem {
GridPower m_id;
GridMenuItem(const GridMenuItem &other); // NOT COPYABLE
GridMenuItem &operator=(const GridMenuItem &other); // NOT ASSIGNABLE
public:
ToggleItem m_item;
GridMenuItem(GridPower id) : m_id(id), m_item(ExportCaller(*this))
{
}
void set()
{
g_grid_power = m_id;
m_item.update();
setGridPower(m_id);
}
typedef MemberCaller<GridMenuItem, void(), &GridMenuItem::set> SetCaller;
void active(const Callback<void(bool)> &importCallback)
{
importCallback(g_grid_power == m_id);
}
typedef MemberCaller<GridMenuItem, void(const Callback<void(bool)> &), &GridMenuItem::active> ExportCaller;
};
GridMenuItem g_gridMenu0125(GRIDPOWER_0125);
GridMenuItem g_gridMenu025(GRIDPOWER_025);
GridMenuItem g_gridMenu05(GRIDPOWER_05);
GridMenuItem g_gridMenu1(GRIDPOWER_1);
GridMenuItem g_gridMenu2(GRIDPOWER_2);
GridMenuItem g_gridMenu4(GRIDPOWER_4);
GridMenuItem g_gridMenu8(GRIDPOWER_8);
GridMenuItem g_gridMenu16(GRIDPOWER_16);
GridMenuItem g_gridMenu32(GRIDPOWER_32);
GridMenuItem g_gridMenu64(GRIDPOWER_64);
GridMenuItem g_gridMenu128(GRIDPOWER_128);
GridMenuItem g_gridMenu256(GRIDPOWER_256);
void setGridPower(GridPower power)
{
g_grid_snap = true;
g_gridsize = GridSize_forGridPower(power);
g_gridMenu0125.m_item.update();
g_gridMenu025.m_item.update();
g_gridMenu05.m_item.update();
g_gridMenu1.m_item.update();
g_gridMenu2.m_item.update();
g_gridMenu4.m_item.update();
g_gridMenu8.m_item.update();
g_gridMenu16.m_item.update();
g_gridMenu32.m_item.update();
g_gridMenu64.m_item.update();
g_gridMenu128.m_item.update();
g_gridMenu256.m_item.update();
GridChangeNotify();
}
void GridPrev()
{
g_grid_snap = true;
if (g_grid_power > GRIDPOWER_0125) {
setGridPower(static_cast<GridPower>( --g_grid_power ));
}
}
void GridNext()
{
g_grid_snap = true;
if (g_grid_power < GRIDPOWER_256) {
setGridPower(static_cast<GridPower>( ++g_grid_power ));
}
}
void ToggleGridSnap()
{
g_grid_snap = !g_grid_snap;
GridChangeNotify();
}
void Grid_registerCommands()
{
GlobalCommands_insert("GridDown", makeCallbackF(GridPrev), Accelerator('['));
GlobalCommands_insert("GridUp", makeCallbackF(GridNext), Accelerator(']'));
GlobalCommands_insert("ToggleGridSnap", makeCallbackF(ToggleGridSnap));
GlobalToggles_insert("SetGrid0.125", GridMenuItem::SetCaller(g_gridMenu0125),
ToggleItem::AddCallbackCaller(g_gridMenu0125.m_item));
GlobalToggles_insert("SetGrid0.25", GridMenuItem::SetCaller(g_gridMenu025),
ToggleItem::AddCallbackCaller(g_gridMenu025.m_item));
GlobalToggles_insert("SetGrid0.5", GridMenuItem::SetCaller(g_gridMenu05),
ToggleItem::AddCallbackCaller(g_gridMenu05.m_item));
GlobalToggles_insert("SetGrid1", GridMenuItem::SetCaller(g_gridMenu1),
ToggleItem::AddCallbackCaller(g_gridMenu1.m_item), Accelerator('1'));
GlobalToggles_insert("SetGrid2", GridMenuItem::SetCaller(g_gridMenu2),
ToggleItem::AddCallbackCaller(g_gridMenu2.m_item), Accelerator('2'));
GlobalToggles_insert("SetGrid4", GridMenuItem::SetCaller(g_gridMenu4),
ToggleItem::AddCallbackCaller(g_gridMenu4.m_item), Accelerator('3'));
GlobalToggles_insert("SetGrid8", GridMenuItem::SetCaller(g_gridMenu8),
ToggleItem::AddCallbackCaller(g_gridMenu8.m_item), Accelerator('4'));
GlobalToggles_insert("SetGrid16", GridMenuItem::SetCaller(g_gridMenu16),
ToggleItem::AddCallbackCaller(g_gridMenu16.m_item), Accelerator('5'));
GlobalToggles_insert("SetGrid32", GridMenuItem::SetCaller(g_gridMenu32),
ToggleItem::AddCallbackCaller(g_gridMenu32.m_item), Accelerator('6'));
GlobalToggles_insert("SetGrid64", GridMenuItem::SetCaller(g_gridMenu64),
ToggleItem::AddCallbackCaller(g_gridMenu64.m_item), Accelerator('7'));
GlobalToggles_insert("SetGrid128", GridMenuItem::SetCaller(g_gridMenu128),
ToggleItem::AddCallbackCaller(g_gridMenu128.m_item), Accelerator('8'));
GlobalToggles_insert("SetGrid256", GridMenuItem::SetCaller(g_gridMenu256),
ToggleItem::AddCallbackCaller(g_gridMenu256.m_item), Accelerator('9'));
}
void Grid_constructMenu(ui::Menu menu)
{
create_check_menu_item_with_mnemonic(menu, "Grid0.125", "SetGrid0.125");
create_check_menu_item_with_mnemonic(menu, "Grid0.25", "SetGrid0.25");
create_check_menu_item_with_mnemonic(menu, "Grid0.5", "SetGrid0.5");
create_check_menu_item_with_mnemonic(menu, "Grid1", "SetGrid1");
create_check_menu_item_with_mnemonic(menu, "Grid2", "SetGrid2");
create_check_menu_item_with_mnemonic(menu, "Grid4", "SetGrid4");
create_check_menu_item_with_mnemonic(menu, "Grid8", "SetGrid8");
create_check_menu_item_with_mnemonic(menu, "Grid16", "SetGrid16");
create_check_menu_item_with_mnemonic(menu, "Grid32", "SetGrid32");
create_check_menu_item_with_mnemonic(menu, "Grid64", "SetGrid64");
create_check_menu_item_with_mnemonic(menu, "Grid128", "SetGrid128");
create_check_menu_item_with_mnemonic(menu, "Grid256", "SetGrid256");
}
void Grid_registerShortcuts()
{
command_connect_accelerator("ToggleGrid");
command_connect_accelerator("GridDown");
command_connect_accelerator("GridUp");
command_connect_accelerator("ToggleGridSnap");
}
void Grid_constructPreferences(PreferencesPage &page)
{
page.appendCombo(
"Default grid spacing",
g_grid_default,
ARRAY_RANGE(g_gridnames)
);
}
void Grid_constructPage(PreferenceGroup &group)
{
PreferencesPage page(group.createPage("Grid", "Grid Settings"));
Grid_constructPreferences(page);
}
void Grid_registerPreferencesPage()
{
PreferencesDialog_addSettingsPage(makeCallbackF(Grid_constructPage));
}
void Grid_construct()
{
Grid_registerPreferencesPage();
g_grid_default = GridDefault_forGridPower(GRIDPOWER_8);
GlobalPreferenceSystem().registerPreference("GridDefault", make_property_string(g_grid_default));
g_grid_power = GridPower_forGridDefault(g_grid_default);
g_gridsize = GridSize_forGridPower(g_grid_power);
}
void Grid_destroy()
{
}