src/tools-switch.cpp

   1 /*
   2  * Utility functions for switching tools (= contexts)
   3  *
   4  * Authors:
   5  *   bulia byak <buliabyak@users.sf.net>
   6  *   Josh Andler <scislac@users.sf.net>
   7  *
   8  * Copyright (C) 2003-2007 authors
   9  *
  10  * Released under GNU GPL, read the file 'COPYING' for more information
  11  */
  12
  13
  14 #ifdef HAVE_CONFIG_H
  15 # include "config.h"
  16 #endif
  17
  18 #include <cstring>
  19 #include <string>
  20
  21 #include "inkscape-private.h"
  22 #include "desktop.h"
  23 #include "desktop-handles.h"
  24 #include <glibmm/i18n.h>
  25
  26 #include <xml/repr.h>
  27
  28 #include "select-context.h"
  29 #include "ui/tool/node-tool.h"
  30 #include "tweak-context.h"
  31 #include "sp-path.h"
  32 #include "rect-context.h"
  33 #include "sp-rect.h"
  34 #include "box3d-context.h"
  35 #include "box3d.h"
  36 #include "arc-context.h"
  37 #include "sp-ellipse.h"
  38 #include "star-context.h"
  39 #include "sp-star.h"
  40 #include "spiral-context.h"
  41 #include "sp-spiral.h"
  42 #include "dyna-draw-context.h"
  43 #include "eraser-context.h"
  44 #include "pen-context.h"
  45 #include "pencil-context.h"
  46 #include "lpe-tool-context.h"
  47 #include "text-context.h"
  48 #include "sp-text.h"
  49 #include "sp-flowtext.h"
  50 #include "gradient-context.h"
  51 #include "zoom-context.h"
  52 #include "dropper-context.h"
  53 #include "connector-context.h"
  54 #include "flood-context.h"
  55 #include "sp-offset.h"
  56 #include "message-context.h"
  57
  58 #include "tools-switch.h"
  59
  60 static char const *const tool_names[] = {
  61     NULL,
  62     "/tools/select",
  63     "/tools/nodes",
  64     "/tools/tweak",
  65     "/tools/shapes/rect",
  66     "/tools/shapes/3dbox",
  67     "/tools/shapes/arc",
  68     "/tools/shapes/star",
  69     "/tools/shapes/spiral",
  70     "/tools/freehand/pencil",
  71     "/tools/freehand/pen",
  72     "/tools/calligraphic",
  73     "/tools/text",
  74     "/tools/gradient",
  75     "/tools/zoom",
  76     "/tools/dropper",
  77     "/tools/connector",
  78     "/tools/paintbucket",
  79     "/tools/eraser",
  80     "/tools/lpetool",
  81     NULL
  82 };
  83
  84 static int
  85 tools_prefpath2num(char const *id)
  86 {
  87     int i = 1;
  88     while (tool_names[i]) {
  89         if (strcmp(tool_names[i], id) == 0)
  90             return i;
  91         else i++;
  92     }
  93     g_assert( 0 == TOOLS_INVALID );
  94     return 0; //nothing found
  95 }
  96
  97 int
  98 tools_isactive(SPDesktop *dt, unsigned num)
  99 {
 100     g_assert( num < G_N_ELEMENTS(tool_names) );
 101     if (SP_IS_EVENT_CONTEXT(dt->event_context))
 102         return dt->event_context->pref_observer->observed_path == tool_names[num];
 103     else return FALSE;
 104 }
 105
 106 int
 107 tools_active(SPDesktop *dt)
 108 {
 109     return tools_prefpath2num(dt->event_context->pref_observer->observed_path.data());
 110 }
 111
 112 void
 113 tools_switch(SPDesktop *dt, int num)
 114 {
 115     if (dt) {
 116         dt->_tool_changed.emit(num);
 117     }
 118
 119     switch (num) {
 120         case TOOLS_SELECT:
 121             dt->set_event_context(SP_TYPE_SELECT_CONTEXT, tool_names[num]);
 122             /* fixme: This is really ugly hack. We should bind and unbind class methods */
 123             dt->activate_guides(true);
 124             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 125             break;
 126         case TOOLS_NODES:
 127             dt->set_event_context(INK_TYPE_NODE_TOOL, tool_names[num]);
 128             dt->activate_guides(true);
 129             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 130             break;
 131         case TOOLS_TWEAK:
 132             dt->set_event_context(SP_TYPE_TWEAK_CONTEXT, tool_names[num]);
 133             dt->activate_guides(true);
 134             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 135             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("To tweak a path by pushing, select it and drag over it."));
 136             break;
 137         case TOOLS_SHAPES_RECT:
 138             dt->set_event_context(SP_TYPE_RECT_CONTEXT, tool_names[num]);
 139             dt->activate_guides(false);
 140             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 141             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create a rectangle. <b>Drag controls</b> to round corners and resize. <b>Click</b> to select."));
 142             break;
 143         case TOOLS_SHAPES_3DBOX:
 144             dt->set_event_context(SP_TYPE_BOX3D_CONTEXT, tool_names[num]);
 145             dt->activate_guides(false);
 146             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 147             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create a 3D box. <b>Drag controls</b> to resize in perspective. <b>Click</b> to select (with <b>Ctrl+Alt</b> for single faces)."));
 148             break;
 149         case TOOLS_SHAPES_ARC:
 150             dt->set_event_context(SP_TYPE_ARC_CONTEXT, tool_names[num]);
 151             dt->activate_guides(false);
 152             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 153             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create an ellipse. <b>Drag controls</b> to make an arc or segment. <b>Click</b> to select."));
 154             break;
 155         case TOOLS_SHAPES_STAR:
 156             dt->set_event_context(SP_TYPE_STAR_CONTEXT, tool_names[num]);
 157             dt->activate_guides(false);
 158             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 159             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create a star. <b>Drag controls</b> to edit the star shape. <b>Click</b> to select."));
 160             break;
 161         case TOOLS_SHAPES_SPIRAL:
 162             dt->set_event_context(SP_TYPE_SPIRAL_CONTEXT, tool_names[num]);
 163             dt->activate_guides(false);
 164             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 165             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create a spiral. <b>Drag controls</b> to edit the spiral shape. <b>Click</b> to select."));
 166             break;
 167         case TOOLS_FREEHAND_PENCIL:
 168             dt->set_event_context(SP_TYPE_PENCIL_CONTEXT, tool_names[num]);
 169             dt->activate_guides(false);
 170             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 171             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create a freehand line. <b>Shift</b> appends to selected path, <b>Alt</b> activates sketch mode."));
 172             break;
 173         case TOOLS_FREEHAND_PEN:
 174             dt->set_event_context(SP_TYPE_PEN_CONTEXT, tool_names[num]);
 175             dt->activate_guides(false);
 176             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 177             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> or <b>click and drag</b> to start a path; with <b>Shift</b> to append to selected path. <b>Ctrl+click</b> to create single dots (straight line modes only)."));
 178             break;
 179         case TOOLS_CALLIGRAPHIC:
 180             dt->set_event_context(SP_TYPE_DYNA_DRAW_CONTEXT, tool_names[num]);
 181             dt->activate_guides(false);
 182             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 183             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to draw a calligraphic stroke; with <b>Ctrl</b> to track a guide path. <b>Arrow keys</b> adjust width (left/right) and angle (up/down)."));
 184             break;
 185         case TOOLS_TEXT:
 186             dt->set_event_context(SP_TYPE_TEXT_CONTEXT, tool_names[num]);
 187             dt->activate_guides(false);
 188             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 189             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> to select or create text, <b>drag</b> to create flowed text; then type."));
 190             break;
 191         case TOOLS_GRADIENT:
 192             dt->set_event_context(SP_TYPE_GRADIENT_CONTEXT, tool_names[num]);
 193             dt->activate_guides(false);
 194             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 195             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> or <b>double click</b> to create a gradient on selected objects, <b>drag handles</b> to adjust gradients."));
 196             break;
 197         case TOOLS_ZOOM:
 198             dt->set_event_context(SP_TYPE_ZOOM_CONTEXT, tool_names[num]);
 199             dt->activate_guides(false);
 200             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 201             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> or <b>drag around an area</b> to zoom in, <b>Shift+click</b> to zoom out."));
 202             break;
 203         case TOOLS_DROPPER:
 204             dt->set_event_context(SP_TYPE_DROPPER_CONTEXT, tool_names[num]);
 205             dt->activate_guides(false);
 206             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 207             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> to set fill, <b>Shift+click</b> to set stroke; <b>drag</b> to average color in area; with <b>Alt</b> to pick inverse color; <b>Ctrl+C</b> to copy the color under mouse to clipboard"));
 208             break;
 209         case TOOLS_CONNECTOR:
 210             dt->set_event_context(SP_TYPE_CONNECTOR_CONTEXT, tool_names[num]);
 211             dt->activate_guides(false);
 212             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 213             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click and drag</b> between shapes to create a connector."));
 214             break;
 215         case TOOLS_PAINTBUCKET:
 216             dt->set_event_context(SP_TYPE_FLOOD_CONTEXT, tool_names[num]);
 217             dt->activate_guides(false);
 218             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 219             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> to paint a bounded area, <b>Shift+click</b> to union the new fill with the current selection, <b>Ctrl+click</b> to change the clicked object's fill and stroke to the current setting."));
 220             break;
 221         case TOOLS_ERASER:
 222             dt->set_event_context(SP_TYPE_ERASER_CONTEXT, tool_names[num]);
 223             dt->activate_guides(false);
 224             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 225             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to erase."));
 226             break;
 227         case TOOLS_LPETOOL:
 228             dt->set_event_context(SP_TYPE_LPETOOL_CONTEXT, tool_names[num]);
 229             dt->activate_guides(false);
 230             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 231             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("Choose a subtool from the toolbar"));
 232             break;
 233     }
 234 }
 235
 236 void tools_switch_by_item(SPDesktop *dt, SPItem *item, Geom::Point const p)
 237 {
 238     if (SP_IS_RECT(item)) {
 239         tools_switch(dt, TOOLS_SHAPES_RECT);
 240     } else if (SP_IS_BOX3D(item)) {
 241         tools_switch(dt, TOOLS_SHAPES_3DBOX);
 242     } else if (SP_IS_GENERICELLIPSE(item)) {
 243         tools_switch(dt, TOOLS_SHAPES_ARC);
 244     } else if (SP_IS_STAR(item)) {
 245         tools_switch(dt, TOOLS_SHAPES_STAR);
 246     } else if (SP_IS_SPIRAL(item)) {
 247         tools_switch(dt, TOOLS_SHAPES_SPIRAL);
 248     } else if (SP_IS_PATH(item)) {
 249         if (cc_item_is_connector(item)) {
 250             tools_switch(dt, TOOLS_CONNECTOR);
 251         }
 252         else {
 253             tools_switch(dt, TOOLS_NODES);
 254         }
 255     } else if (SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item))  {
 256         tools_switch(dt, TOOLS_TEXT);
 257         sp_text_context_place_cursor_at (SP_TEXT_CONTEXT(dt->event_context), SP_OBJECT(item), p);
 258     } else if (SP_IS_OFFSET(item))  {
 259         tools_switch(dt, TOOLS_NODES);
 260     }
 261 }
 262
 263 /*
 264   Local Variables:
 265   mode:c++
 266   c-file-style:"stroustrup"
 267   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 268   indent-tabs-mode:nil
 269   fill-column:99
 270   End:
 271 */
 272 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :