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 "node-context.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 "text-context.h"
  47 #include "sp-text.h"
  48 #include "sp-flowtext.h"
  49 #include "gradient-context.h"
  50 #include "zoom-context.h"
  51 #include "dropper-context.h"
  52 #include "connector-context.h"
  53 #include "flood-context.h"
  54 #include "sp-offset.h"
  55 #include "message-context.h"
  56
  57 #include "tools-switch.h"
  58
  59 static char const *const tool_names[] = {
  60     NULL,
  61     "tools.select",
  62     "tools.nodes",
  63     "tools.tweak",
  64     "tools.shapes.rect",
  65     "tools.shapes.3dbox",
  66     "tools.shapes.arc",
  67     "tools.shapes.star",
  68     "tools.shapes.spiral",
  69     "tools.freehand.pencil",
  70     "tools.freehand.pen",
  71     "tools.calligraphic",
  72     "tools.text",
  73     "tools.gradient",
  74     "tools.zoom",
  75     "tools.dropper",
  76     "tools.connector",
  77     "tools.paintbucket",
  78     "tools.eraser",
  79     NULL
  80 };
  81
  82 static char const *const tool_ids[] = {
  83     NULL,
  84     "select",
  85     "nodes",
  86     "tweak",
  87     "rect",
  88     "3dbox",
  89     "arc",
  90     "star",
  91     "spiral",
  92     "pencil",
  93     "pen",
  94     "calligraphic",
  95     "text",
  96     "gradient",
  97     "zoom",
  98     "dropper",
  99     "connector",
 100     "paintbucket",
 101     "eraser",
 102     NULL
 103 };
 104
 105 static int
 106 tools_id2num(char const *id)
 107 {
 108     int i = 1;
 109     while (tool_ids[i]) {
 110         if (strcmp(tool_ids[i], id) == 0)
 111             return i;
 112         else i++;
 113     }
 114     g_assert( 0 == TOOLS_INVALID );
 115     return 0; //nothing found
 116 }
 117
 118 int
 119 tools_isactive(SPDesktop *dt, unsigned num)
 120 {
 121     g_assert( num < G_N_ELEMENTS(tool_ids) );
 122     if (SP_IS_EVENT_CONTEXT(dt->event_context))
 123         return (!strcmp(dt->event_context->prefs_repr->attribute("id"), tool_ids[num]));
 124     else return FALSE;
 125 }
 126
 127 int
 128 tools_active(SPDesktop *dt)
 129 {
 130     return (tools_id2num(dt->event_context->prefs_repr->attribute("id")));
 131 }
 132
 133 void
 134 tools_switch(SPDesktop *dt, int num)
 135 {
 136     if (dt) {
 137         dt->_tool_changed.emit(num);
 138     }
 139
 140     switch (num) {
 141         case TOOLS_SELECT:
 142             dt->set_event_context(SP_TYPE_SELECT_CONTEXT, tool_names[num]);
 143             /* fixme: This is really ugly hack. We should bind and unbind class methods */
 144             dt->activate_guides(true);
 145             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 146             break;
 147         case TOOLS_NODES:
 148             dt->set_event_context(SP_TYPE_NODE_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 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."));
 152             break;
 153         case TOOLS_TWEAK:
 154             dt->set_event_context(SP_TYPE_TWEAK_CONTEXT, tool_names[num]);
 155             dt->activate_guides(true);
 156             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 157             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("To tweak a path by pushing, select it and drag over it."));
 158             break;
 159         case TOOLS_SHAPES_RECT:
 160             dt->set_event_context(SP_TYPE_RECT_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 rectangle. <b>Drag controls</b> to round corners and resize. <b>Click</b> to select."));
 164             break;
 165         case TOOLS_SHAPES_3DBOX:
 166             dt->set_event_context(SP_TYPE_BOX3D_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 a 3D box. <b>Drag controls</b> to resize in perspective. <b>Click</b> to select (with <b>Ctrl+Alt</b> for single faces)."));
 170             break;
 171         case TOOLS_SHAPES_ARC:
 172             dt->set_event_context(SP_TYPE_ARC_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 an ellipse. <b>Drag controls</b> to make an arc or segment. <b>Click</b> to select."));
 176             break;
 177         case TOOLS_SHAPES_STAR:
 178             dt->set_event_context(SP_TYPE_STAR_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 star. <b>Drag controls</b> to edit the star shape. <b>Click</b> to select."));
 182             break;
 183         case TOOLS_SHAPES_SPIRAL:
 184             dt->set_event_context(SP_TYPE_SPIRAL_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 spiral. <b>Drag controls</b> to edit the spiral shape. <b>Click</b> to select."));
 188             break;
 189         case TOOLS_FREEHAND_PENCIL:
 190             dt->set_event_context(SP_TYPE_PENCIL_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>Drag</b> to create a freehand line. Start drawing with <b>Shift</b> to append to selected path. <b>Ctrl+click</b> to create single dots."));
 194             break;
 195         case TOOLS_FREEHAND_PEN:
 196             dt->set_event_context(SP_TYPE_PEN_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>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."));
 200             break;
 201         case TOOLS_CALLIGRAPHIC:
 202             dt->set_event_context(SP_TYPE_DYNA_DRAW_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>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)."));
 206             break;
 207         case TOOLS_TEXT:
 208             dt->set_event_context(SP_TYPE_TEXT_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>Click</b> to select or create text, <b>drag</b> to create flowed text; then type."));
 212             break;
 213         case TOOLS_GRADIENT:
 214             dt->set_event_context(SP_TYPE_GRADIENT_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>Drag</b> or <b>double click</b> to create a gradient on selected objects, <b>drag handles</b> to adjust gradients."));
 218             break;
 219         case TOOLS_ZOOM:
 220             dt->set_event_context(SP_TYPE_ZOOM_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> or <b>drag around an area</b> to zoom in, <b>Shift+click</b> to zoom out."));
 224             break;
 225         case TOOLS_DROPPER:
 226             dt->set_event_context(SP_TYPE_DROPPER_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</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"));
 230             break;
 231         case TOOLS_CONNECTOR:
 232             dt->set_event_context(SP_TYPE_CONNECTOR_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 and drag</b> between shapes to create a connector."));
 236             break;
 237         case TOOLS_PAINTBUCKET:
 238             dt->set_event_context(SP_TYPE_FLOOD_CONTEXT, tool_names[num]);
 239             dt->activate_guides(false);
 240             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 241             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."));
 242             break;
 243         case TOOLS_ERASER:
 244             dt->set_event_context(SP_TYPE_ERASER_CONTEXT, tool_names[num]);
 245             dt->activate_guides(false);
 246             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 247             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to erase."));
 248             break;
 249     }
 250 }
 251
 252 void
 253 tools_switch_current(int num)
 254 {
 255     SPDesktop *dt = SP_ACTIVE_DESKTOP;
 256     if (dt) tools_switch(dt, num);
 257 }
 258
 259 void tools_switch_by_item(SPDesktop *dt, SPItem *item)
 260 {
 261     if (SP_IS_RECT(item)) {
 262         tools_switch(dt, TOOLS_SHAPES_RECT);
 263     } else if (SP_IS_BOX3D(item)) {
 264         tools_switch(dt, TOOLS_SHAPES_3DBOX);
 265     } else if (SP_IS_GENERICELLIPSE(item)) {
 266         tools_switch(dt, TOOLS_SHAPES_ARC);
 267     } else if (SP_IS_STAR(item)) {
 268         tools_switch(dt, TOOLS_SHAPES_STAR);
 269     } else if (SP_IS_SPIRAL(item)) {
 270         tools_switch(dt, TOOLS_SHAPES_SPIRAL);
 271     } else if (SP_IS_PATH(item)) {
 272         if (cc_item_is_connector(item)) {
 273             tools_switch(dt, TOOLS_CONNECTOR);
 274         }
 275         else {
 276             tools_switch(dt, TOOLS_NODES);
 277         }
 278     } else if (SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item))  {
 279         tools_switch(dt, TOOLS_TEXT);
 280     } else if (SP_IS_OFFSET(item))  {
 281         tools_switch(dt, TOOLS_NODES);
 282     }
 283 }
 284
 285 /*
 286   Local Variables:
 287   mode:c++
 288   c-file-style:"stroustrup"
 289   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 290   indent-tabs-mode:nil
 291   fill-column:99
 292   End:
 293 */
 294 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :