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 "inkscape-private.h"
  19 #include "desktop.h"
  20 #include "desktop-handles.h"
  21 #include <glibmm/i18n.h>
  22
  23 #include <xml/repr.h>
  24
  25 #include "select-context.h"
  26 #include "node-context.h"
  27 #include "tweak-context.h"
  28 #include "sp-path.h"
  29 #include "rect-context.h"
  30 #include "sp-rect.h"
  31 #include "box3d-context.h"
  32 #include "box3d.h"
  33 #include "arc-context.h"
  34 #include "sp-ellipse.h"
  35 #include "star-context.h"
  36 #include "sp-star.h"
  37 #include "spiral-context.h"
  38 #include "sp-spiral.h"
  39 #include "dyna-draw-context.h"
  40 #include "pen-context.h"
  41 #include "pencil-context.h"
  42 #include "text-context.h"
  43 #include "sp-text.h"
  44 #include "sp-flowtext.h"
  45 #include "gradient-context.h"
  46 #include "zoom-context.h"
  47 #include "dropper-context.h"
  48 #include "connector-context.h"
  49 #include "flood-context.h"
  50 #include "sp-offset.h"
  51 #include "message-context.h"
  52
  53 #include "tools-switch.h"
  54
  55 static char const *const tool_names[] = {
  56     NULL,
  57     "tools.select",
  58     "tools.nodes",
  59     "tools.tweak",
  60     "tools.shapes.rect",
  61     "tools.shapes.3dbox",
  62     "tools.shapes.arc",
  63     "tools.shapes.star",
  64     "tools.shapes.spiral",
  65     "tools.freehand.pencil",
  66     "tools.freehand.pen",
  67     "tools.calligraphic",
  68     "tools.text",
  69     "tools.gradient",
  70     "tools.zoom",
  71     "tools.dropper",
  72     "tools.connector",
  73     "tools.paintbucket",
  74     NULL
  75 };
  76
  77 static char const *const tool_ids[] = {
  78     NULL,
  79     "select",
  80     "nodes",
  81     "tweak",
  82     "rect",
  83     "3dbox",
  84     "arc",
  85     "star",
  86     "spiral",
  87     "pencil",
  88     "pen",
  89     "calligraphic",
  90     "text",
  91     "gradient",
  92     "zoom",
  93     "dropper",
  94     "connector",
  95     "paintbucket",
  96     NULL
  97 };
  98
  99 static int
 100 tools_id2num(char const *id)
 101 {
 102     int i = 1;
 103     while (tool_ids[i]) {
 104         if (strcmp(tool_ids[i], id) == 0)
 105             return i;
 106         else i++;
 107     }
 108     g_assert( 0 == TOOLS_INVALID );
 109     return 0; //nothing found
 110 }
 111
 112 int
 113 tools_isactive(SPDesktop *dt, unsigned num)
 114 {
 115     g_assert( num < G_N_ELEMENTS(tool_ids) );
 116     if (SP_IS_EVENT_CONTEXT(dt->event_context))
 117         return (!strcmp(dt->event_context->prefs_repr->attribute("id"), tool_ids[num]));
 118     else return FALSE;
 119 }
 120
 121 int
 122 tools_active(SPDesktop *dt)
 123 {
 124     return (tools_id2num(dt->event_context->prefs_repr->attribute("id")));
 125 }
 126
 127 void
 128 tools_switch(SPDesktop *dt, int num)
 129 {
 130     if (dt) {
 131         dt->_tool_changed.emit(num);
 132     }
 133
 134     switch (num) {
 135         case TOOLS_SELECT:
 136             dt->set_event_context(SP_TYPE_SELECT_CONTEXT, tool_names[num]);
 137             /* fixme: This is really ugly hack. We should bind and unbind class methods */
 138             dt->activate_guides(true);
 139             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 140             break;
 141         case TOOLS_NODES:
 142             dt->set_event_context(SP_TYPE_NODE_CONTEXT, tool_names[num]);
 143             dt->activate_guides(true);
 144             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 145             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("To edit a path, <b>click</b>, <b>Shift+click</b>, or <b>drag around</b> nodes to select them, then <b>drag</b> nodes and handles. <b>Click</b> on an object to select."));
 146             break;
 147         case TOOLS_TWEAK:
 148             dt->set_event_context(SP_TYPE_TWEAK_CONTEXT, tool_names[num]);
 149             dt->activate_guides(true);
 150             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 151             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("To tweak a path by pushing, select it and drag over it."));
 152             break;
 153         case TOOLS_SHAPES_RECT:
 154             dt->set_event_context(SP_TYPE_RECT_CONTEXT, tool_names[num]);
 155             dt->activate_guides(false);
 156             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 157             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."));
 158             break;
 159         case TOOLS_SHAPES_3DBOX:
 160             dt->set_event_context(SP_TYPE_BOX3D_CONTEXT, tool_names[num]);
 161             dt->activate_guides(false);
 162             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 163             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)."));
 164             break;
 165         case TOOLS_SHAPES_ARC:
 166             dt->set_event_context(SP_TYPE_ARC_CONTEXT, tool_names[num]);
 167             dt->activate_guides(false);
 168             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 169             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."));
 170             break;
 171         case TOOLS_SHAPES_STAR:
 172             dt->set_event_context(SP_TYPE_STAR_CONTEXT, tool_names[num]);
 173             dt->activate_guides(false);
 174             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 175             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."));
 176             break;
 177         case TOOLS_SHAPES_SPIRAL:
 178             dt->set_event_context(SP_TYPE_SPIRAL_CONTEXT, tool_names[num]);
 179             dt->activate_guides(false);
 180             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 181             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."));
 182             break;
 183         case TOOLS_FREEHAND_PENCIL:
 184             dt->set_event_context(SP_TYPE_PENCIL_CONTEXT, tool_names[num]);
 185             dt->activate_guides(false);
 186             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 187             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to create a freehand line. Start drawing with <b>Shift</b> to append to selected path."));
 188             break;
 189         case TOOLS_FREEHAND_PEN:
 190             dt->set_event_context(SP_TYPE_PEN_CONTEXT, tool_names[num]);
 191             dt->activate_guides(false);
 192             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 193             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."));
 194             break;
 195         case TOOLS_CALLIGRAPHIC:
 196             dt->set_event_context(SP_TYPE_DYNA_DRAW_CONTEXT, tool_names[num]);
 197             dt->activate_guides(false);
 198             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 199             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to draw a calligraphic stroke; with <b>Ctrl</b> to track a guide, with <b>Alt</b> to thin/thicken. <b>Arrow keys</b> adjust width (left/right) and angle (up/down)."));
 200             break;
 201         case TOOLS_TEXT:
 202             dt->set_event_context(SP_TYPE_TEXT_CONTEXT, tool_names[num]);
 203             dt->activate_guides(false);
 204             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 205             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> to select or create text, <b>drag</b> to create flowed text; then type."));
 206             break;
 207         case TOOLS_GRADIENT:
 208             dt->set_event_context(SP_TYPE_GRADIENT_CONTEXT, tool_names[num]);
 209             dt->activate_guides(false);
 210             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 211             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."));
 212             break;
 213         case TOOLS_ZOOM:
 214             dt->set_event_context(SP_TYPE_ZOOM_CONTEXT, tool_names[num]);
 215             dt->activate_guides(false);
 216             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 217             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."));
 218             break;
 219         case TOOLS_DROPPER:
 220             dt->set_event_context(SP_TYPE_DROPPER_CONTEXT, tool_names[num]);
 221             dt->activate_guides(false);
 222             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 223             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"));
 224             break;
 225         case TOOLS_CONNECTOR:
 226             dt->set_event_context(SP_TYPE_CONNECTOR_CONTEXT, tool_names[num]);
 227             dt->activate_guides(false);
 228             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 229             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click and drag</b> between shapes to create a connector."));
 230             break;
 231         case TOOLS_PAINTBUCKET:
 232             dt->set_event_context(SP_TYPE_FLOOD_CONTEXT, tool_names[num]);
 233             dt->activate_guides(false);
 234             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 235             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."));
 236             break;
 237     }
 238 }
 239
 240 void
 241 tools_switch_current(int num)
 242 {
 243     SPDesktop *dt = SP_ACTIVE_DESKTOP;
 244     if (dt) tools_switch(dt, num);
 245 }
 246
 247 void tools_switch_by_item(SPDesktop *dt, SPItem *item)
 248 {
 249     if (SP_IS_RECT(item)) {
 250         tools_switch(dt, TOOLS_SHAPES_RECT);
 251     } else if (SP_IS_BOX3D(item)) {
 252         tools_switch(dt, TOOLS_SHAPES_3DBOX);
 253     } else if (SP_IS_GENERICELLIPSE(item)) {
 254         tools_switch(dt, TOOLS_SHAPES_ARC);
 255     } else if (SP_IS_STAR(item)) {
 256         tools_switch(dt, TOOLS_SHAPES_STAR);
 257     } else if (SP_IS_SPIRAL(item)) {
 258         tools_switch(dt, TOOLS_SHAPES_SPIRAL);
 259     } else if (SP_IS_PATH(item)) {
 260         if (cc_item_is_connector(item)) {
 261             tools_switch(dt, TOOLS_CONNECTOR);
 262         }
 263         else {
 264             tools_switch(dt, TOOLS_NODES);
 265         }
 266     } else if (SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item))  {
 267         tools_switch(dt, TOOLS_TEXT);
 268     } else if (SP_IS_OFFSET(item))  {
 269         tools_switch(dt, TOOLS_NODES);
 270     }
 271 }
 272
 273 /*
 274   Local Variables:
 275   mode:c++
 276   c-file-style:"stroustrup"
 277   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 278   indent-tabs-mode:nil
 279   fill-column:99
 280   End:
 281 */
 282 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :