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