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 "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(SP_TYPE_NODE_CONTEXT, tool_names[num]);
 128             dt->activate_guides(true);
 129             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 130             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."));
 131             break;
 132         case TOOLS_TWEAK:
 133             dt->set_event_context(SP_TYPE_TWEAK_CONTEXT, tool_names[num]);
 134             dt->activate_guides(true);
 135             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 136             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("To tweak a path by pushing, select it and drag over it."));
 137             break;
 138         case TOOLS_SHAPES_RECT:
 139             dt->set_event_context(SP_TYPE_RECT_CONTEXT, tool_names[num]);
 140             dt->activate_guides(false);
 141             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 142             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."));
 143             break;
 144         case TOOLS_SHAPES_3DBOX:
 145             dt->set_event_context(SP_TYPE_BOX3D_CONTEXT, tool_names[num]);
 146             dt->activate_guides(false);
 147             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 148             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)."));
 149             break;
 150         case TOOLS_SHAPES_ARC:
 151             dt->set_event_context(SP_TYPE_ARC_CONTEXT, tool_names[num]);
 152             dt->activate_guides(false);
 153             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 154             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."));
 155             break;
 156         case TOOLS_SHAPES_STAR:
 157             dt->set_event_context(SP_TYPE_STAR_CONTEXT, tool_names[num]);
 158             dt->activate_guides(false);
 159             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 160             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."));
 161             break;
 162         case TOOLS_SHAPES_SPIRAL:
 163             dt->set_event_context(SP_TYPE_SPIRAL_CONTEXT, tool_names[num]);
 164             dt->activate_guides(false);
 165             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 166             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."));
 167             break;
 168         case TOOLS_FREEHAND_PENCIL:
 169             dt->set_event_context(SP_TYPE_PENCIL_CONTEXT, tool_names[num]);
 170             dt->activate_guides(false);
 171             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 172             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."));
 173             break;
 174         case TOOLS_FREEHAND_PEN:
 175             dt->set_event_context(SP_TYPE_PEN_CONTEXT, tool_names[num]);
 176             dt->activate_guides(false);
 177             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 178             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)."));
 179             break;
 180         case TOOLS_CALLIGRAPHIC:
 181             dt->set_event_context(SP_TYPE_DYNA_DRAW_CONTEXT, tool_names[num]);
 182             dt->activate_guides(false);
 183             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 184             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)."));
 185             break;
 186         case TOOLS_TEXT:
 187             dt->set_event_context(SP_TYPE_TEXT_CONTEXT, tool_names[num]);
 188             dt->activate_guides(false);
 189             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 190             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click</b> to select or create text, <b>drag</b> to create flowed text; then type."));
 191             break;
 192         case TOOLS_GRADIENT:
 193             dt->set_event_context(SP_TYPE_GRADIENT_CONTEXT, tool_names[num]);
 194             dt->activate_guides(false);
 195             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 196             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."));
 197             break;
 198         case TOOLS_ZOOM:
 199             dt->set_event_context(SP_TYPE_ZOOM_CONTEXT, tool_names[num]);
 200             dt->activate_guides(false);
 201             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 202             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."));
 203             break;
 204         case TOOLS_DROPPER:
 205             dt->set_event_context(SP_TYPE_DROPPER_CONTEXT, tool_names[num]);
 206             dt->activate_guides(false);
 207             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 208             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"));
 209             break;
 210         case TOOLS_CONNECTOR:
 211             dt->set_event_context(SP_TYPE_CONNECTOR_CONTEXT, tool_names[num]);
 212             dt->activate_guides(false);
 213             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 214             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Click and drag</b> between shapes to create a connector."));
 215             break;
 216         case TOOLS_PAINTBUCKET:
 217             dt->set_event_context(SP_TYPE_FLOOD_CONTEXT, tool_names[num]);
 218             dt->activate_guides(false);
 219             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 220             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."));
 221             break;
 222         case TOOLS_ERASER:
 223             dt->set_event_context(SP_TYPE_ERASER_CONTEXT, tool_names[num]);
 224             dt->activate_guides(false);
 225             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 226             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("<b>Drag</b> to erase."));
 227             break;
 228         case TOOLS_LPETOOL:
 229             dt->set_event_context(SP_TYPE_LPETOOL_CONTEXT, tool_names[num]);
 230             dt->activate_guides(false);
 231             inkscape_eventcontext_set(sp_desktop_event_context(dt));
 232             dt->tipsMessageContext()->set(Inkscape::NORMAL_MESSAGE, _("Choose a subtool from the toolbar"));
 233             break;
 234     }
 235 }
 236
 237 void tools_switch_by_item(SPDesktop *dt, SPItem *item, Geom::Point const p)
 238 {
 239     if (SP_IS_RECT(item)) {
 240         tools_switch(dt, TOOLS_SHAPES_RECT);
 241     } else if (SP_IS_BOX3D(item)) {
 242         tools_switch(dt, TOOLS_SHAPES_3DBOX);
 243     } else if (SP_IS_GENERICELLIPSE(item)) {
 244         tools_switch(dt, TOOLS_SHAPES_ARC);
 245     } else if (SP_IS_STAR(item)) {
 246         tools_switch(dt, TOOLS_SHAPES_STAR);
 247     } else if (SP_IS_SPIRAL(item)) {
 248         tools_switch(dt, TOOLS_SHAPES_SPIRAL);
 249     } else if (SP_IS_PATH(item)) {
 250         if (cc_item_is_connector(item)) {
 251             tools_switch(dt, TOOLS_CONNECTOR);
 252         }
 253         else {
 254             tools_switch(dt, TOOLS_NODES);
 255         }
 256     } else if (SP_IS_TEXT(item) || SP_IS_FLOWTEXT(item))  {
 257         tools_switch(dt, TOOLS_TEXT);
 258         sp_text_context_place_cursor_at (SP_TEXT_CONTEXT(dt->event_context), SP_OBJECT(item), p);
 259     } else if (SP_IS_OFFSET(item))  {
 260         tools_switch(dt, TOOLS_NODES);
 261     }
 262 }
 263
 264 /*
 265   Local Variables:
 266   mode:c++
 267   c-file-style:"stroustrup"
 268   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 269   indent-tabs-mode:nil
 270   fill-column:99
 271   End:
 272 */
 273 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :